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Fulltext Host, pathogen and the environment: the case of Macrobrachium rosenbergii, Vibrio parahaemolyticus and magnesium

Tiruvayipati S, Bhassu S

Gut Pathog, 2016;8:15.
PMID: 27114742 DOI: 10.1186/s13099-016-0097-1

Macrobrachium rosenbergii is well-known as the giant freshwater prawn, and is a commercially significant source of seafood. Its production can be affected by various bacterial contaminations. Among which, the genus Vibrio shows a higher prevalence in aquatic organisms, especially M. rosenbergii, causing food-borne illnesses. Vibrio parahaemolyticus, a species of Vibrio is reported as the main causative of the early mortality syndrome. Vibrio parahaemolyticus infection in M. rosenbergii was studied previously in relation to the prawn's differentially expressed immune genes. In the current review, we will discuss the growth conditions for both V. parahaemolyticus and M. rosenbergii and highlight the role of magnesium in common, which need to be fully understood. Till date, there has not been much research on this aspect of magnesium. We postulate a model that screens a magnesium-dependent pathway which probably might take effect in connection with N-acetylglucosamine binding protein and chitin from V. parahaemolyticus and M. rosenbergii, respectively. Further studies on magnesium as an environment for V. parahaemolyticus and M. rosenbergii interaction studies will provide seafood industry with completely new strategies to employ and to avoid seafood related contaminations.

Matched MeSH terms: Prevalence
Fulltext The prevalence of the duodenal ulcer promoting gene (dupA) in Helicobacter pylori isolates varies by ethnic group and is not universally associated with disease development: a case-control study

Schmidt HM, Andres S, Kaakoush NO, Engstrand L, Eriksson L, Goh KL, et al.

Gut Pathog, 2009;1(1):5.
PMID: 19338650 DOI: 10.1186/1757-4749-1-5

The putative H. pylori pathogenicity-associated factor dupA has been associated with IL-8 induction in vitro, and duodenal ulcer (DU) and gastric cancer (GC) development in certain populations, but this association is inconsistent between studies. We aimed to investigate dupA prevalence in clinical isolates from Sweden, Australia and from ethnic Chinese, Indians and Malays resident in Malaysia and Singapore and to examine the association with DU and GC. In addition we investigated the sequence diversity between isolates from these diverse groups and compared the level of IL-8 secretion in isolates possessing and lacking dupA.

Matched MeSH terms: Prevalence
Surface engineered iron oxide nanoparticles as efficient materials for antibiofilm application

Velusamy P, Su CH, Kannan K, Kumar GV, Anbu P, Gopinath SCB

Biotechnol Appl Biochem, 2021 Mar 10.
PMID: 33751641 DOI: 10.1002/bab.2146

Overuse of antibiotics has led to the development of multi drug resistant strains. Antibiotic resistance is a major drawback in the biomedical field since medical implants are prone to infection by biofilms of antibiotic resistant strains of bacteria. With increasing prevalence of antibiotic resistant pathogenic bacteria, the search for alternative method is utmost importance. In this regard, magnetic nanoparticles are commonly used as a substitute for antibiotics that can circumvent the problem of biofilms growth on the surface of biomedical implants. Iron oxide nanoparticles (IONPs) have unique magnetic properties that can be exploited in various ways in the biomedical applications. IONPs are engineered employing different methods to induce surface functionalization that include the use of polyethyleneimine and oleic acid. IONPs have a mechanical effect on biofilms when in presence of an external magnet. In this review, a detailed description of surface engineered magnetic nanoparticles as ideal antibacterial agents is provided, accompanied by various methods of literature review. This article is protected by copyright. All rights reserved.

Matched MeSH terms: Prevalence
Factors Associated With Suicidal Attempt Among School-Going Adolescents in Malaysia

Abdul Aziz FA, Abd Razak MA, Ahmad NA, Awaluddin SM, Lodz NA, Sooryanarayana R, et al.

Asia Pac J Public Health, 2019 11;31(8_suppl):73S-79S.
PMID: 31353928 DOI: 10.1177/1010539519862161

Various factors contribute to suicidal attempt. This study aims to determine the relationship between suicidal attempt and its associated factors among school-going adolescents in Malaysia. Data from the National Health and Morbidity 2017 survey were analyzed. This survey was implemented as a nationwide school-based survey targeting adolescents 13 to 17 years old. Descriptive and multiple logistic regression analysis was done using SPSS version 20. A total of 27 399 adolescents participated in this survey. The prevalence of suicidal attempt was 6.9% (95% confidence interval = 6.2-7.7). Multivariate analysis found that the odds of suicidal attempt among adolescent with depression is 4.3 (adjusted odds ratio = 4.3; 95% confidence interval = 3.9-4.8). Other significant factors are young adolescent, non-Malay ethnicities especially Indian, adolescent with parents living apart, and those without peer support and parental connectedness. A holistic approach for the planning of preventative strategies and public health policies should be made according to these risk factors.
Study name: National Health and Morbidity Survey (NHMS-2017)

Matched MeSH terms: Prevalence
Fulltext Seroprevalence, knowledge, attitude and practice regarding prevention of Hepatitis C among municipal waste collectors in Penang Island, Malaysia

Surajudeen Abiola Abdulrahman, Siti Fatimah Kader Maideen, Fairuz Fadzilah Rahim, Abdul Rashid

Journal of Clinical and Health Sciences, 2019;4(1):47-57.
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Introduction: This study aimed to determine the prevalence of Hepatitis C infection and the
level of knowledge, attitude and practice regarding Hepatitis C prevention among municipal
waste collectors in Penang Island, Malaysia. Methods: A cross-sectional study was
conducted among a convenient sample of 184 adult male municipal waste collectors in
Penang Island from January to May 2018. Respondents’ blood samples were obtained and
evaluated for antibodies to Hepatitis C virus (anti-HCV), and questionnaires administered to
them to collect information on sociodemographic variables and knowledge, attitude and
practice regarding Hepatitis C prevention. The seroprevalence of Hepatitis C virus was
estimated, and the association between sociodemographic variables and respondents’ level
of knowledge, attitude and practice regarding Hepatitis C prevention was explored using a
range of parametric and non-parametric statistical tests in SPSS version 23. Results were
considered significant at p

Matched MeSH terms: Prevalence
Fulltext Effects of xanthorrhizol on 3T3-L1 adipocyte hyperplasia and hypertrophy [Abstract]

Seok Fang Oon, Meenakshii Nallappan, Mohd Shazrul Fazry Sa’ariwijaya, Nur Kartinee Kassim, Shamarina Shohaimi, Thiam Tsui Tee, et al.

Malaysian Journal of Medicine and Health Sciences, 2019;15(102):41-41.
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ABSTRACTS FOR INTERNATIONAL HEALTH AND MEDICAL SCIENCES CONFERENCE 2019 (IHMSC 2019). Accelerating Innovations in Translational and Precision Medicine. Held at Taylor’s University Lakeside Campus, Subang Jaya, Selangor, Malaysia. 8-9th March, 2019
Introduction: According to the National Health and Morbidity Survey (NHMS) 2015, 47.7% of the Malaysian population are either obese or overweight. The increased obesity prevalence has caused major health problems including cardiovascular diseases and diabetes. Although several anti-obesity drugs have been developed, they are limited due to adverse side effects. Previous studies demonstrated that xanthorrhizol (XNT) reduced the levels of serum free fatty acid and triglyceride in vivo, but the detailed anti-obesity activities and its related mechanisms are yet to be reported. Thus, this study aims to evaluate its abilities to inhibit adipocyte hyperplasia and hypertrophy employing 3T3-L1 adipocytes.
Methods: Statistical significance was established by one-way ANOVA, where p < 0.05 was considered statistically significant.
Results: In this study, the IC50 value of XNT (98.3% purity) from Curcuma xanthorrhiza Roxb. in 3T3-L1 adipocytes was 35 ± 0.24 μg/mL. The loss of cell viability was due to 20.01 ± 2.77% of early apoptosis and 24.13 ± 2.03% of late apoptosis. XNT elicited apoptosis via up-regulation of caspase-3 and cleaved PARP-1 protein expression for 4.09-fold and 3.12-fold, respectively. Moreover, XNT decreased adipocyte differentiation for 36.13 ± 3.64% and reduced GPDH activity to 52.26 ± 4.36%. The underlying mechanism was due to impaired expression of PPARγ to 0.36-fold and FAS to 0.38-fold, respectively. On the other hand, XNT increased glycerol release by 45.37 ± 6.08% compared to control. During lipolysis, XNT up-regulated the leptin protein for 2.08-fold but down-regulated the protein level of insulin to 0.36-fold. These results indicated that XNT reduced the volume of adipocytes through modulation of leptin and insulin.
Conclusion: To conclude, XNT exerted its anti-obesity mechanisms by suppression of adipocyte hyperplasia through induction of apoptosis and inhibition of adipogenesis whilst reduction of adipocyte hypertrophy through stimulation of lipolysis. Thus, XNT could be developed as a potential anti-obesity agent in the future.

Matched MeSH terms: Prevalence
Fulltext Prevalence of obesity and its associated risk factors among the elderly in Malaysia: Findings from The National Health and Morbidity Survey (NHMS) 2015

Ariaratnam S, Rodzlan Hasani WS, Krishnapillai AD, Abd Hamid HA, Jane Ling MY, Ho BK, et al.

PLoS One, 2020;15(9):e0238566.
PMID: 32915860 DOI: 10.1371/journal.pone.0238566

BACKGROUND: Obesity is a crucial public health problem and is rising globally. This study was conducted to determine the prevalence of obesity and its associated factors among the elderly in Malaysia.
METHODS: Data were obtained from the National Health and Morbidity Survey (NHMS) 2015. This was a cross sectional population-based study using a two stage stratified random sampling design. Elderly population aged 60 years and above was selected. Data were collected using pre-tested self-administered questionnaire in the form of sociodemographic profile, non-communicable diseases (NCD) comorbidities (status on hypertension, diabetes and hypercholesterolemia) and NCD risk factors (current smoker and physical activity). Obesity has been defined using the World Health Organization (WHO) Body Mass Index (BMI) guideline, 1998. A complex sampling design analysis was used for the descriptive statistics. The associated risk factors for obesity were identified using Multiple Logistic Regression analysis.
RESULTS: A total of 3794 respondents were included in this study. The prevalence of obesity among Malaysian elderly was 30.2%. The prevalence of obesity among the elderly was significantly higher in females, respondents from urban areas and Indians. Approximately one third of the elderly with non-communicable diseases such as hypertension (33.1%) and diabetes (38.8%), respectively, were obese. Among elderly who were obese, majority of them (89.8%) had at least one NCD. The prevalence of obesity was 16.8% among current smokers (aOR 0.59). Multiple logistic regression analysis revealed that elderly females (aOR [adjusted odds ratio] 1.52), having secondary education (aOR 1.96) with household income of RM 3000 and above (aOR 1.57) as well as being hypertensive (aOR 1.61) and diabetic (aOR 1.50) were more likely to be obese. In contrast, the Chinese elderly respondents (aOR 0.62) and current smokers (aOR 0.59) were less likely to be obese. There were no significant associations of obesity with hypercholesterolemia or with physical activity.
CONCLUSIONS: A substantial proportion of Malaysian elderly were obese, and factors associated with obesity among them were being female, having secondary education with a household income of RM 3000 and above and being hypertensive or diabetic. Enhanced health promotion and education should be targeted at younger people in order to prevent obesity in the later years.
Study name: National Health and Morbidity Survey (NHMS-2015)

Matched MeSH terms: Prevalence
Fulltext Prevalence of cigarette smoking and its associated factors among male adolescents in Malaysia [Abstract]

Ling JMY, Hasani WSR, Mohd Yusoff MF, Abd Hamid HA, Lim KH, Tee GH, et al.

Malaysian Journal of Medicine and Health Sciences, 2019;15(106):34-34.
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ABSTRACTS FOR THE 1ST INTERNATIONAL BORNEO HEALTHCARE AND PUBLIC HEALTH CONFERENCE AND 4TH BORNEO TROPICAL MEDICINE AND INFECTIOUS DISEASE CONGRESS. New Frontiers in Health: Expecting the Unexpected
Held at the Faculty of Medicine and Health Sciences, Universiti Malaysia Sabah, Kota Kinabalu, Sabah, Malaysia. 3rd-5th September 2019
Introduction: Smoking kills 5 million people a year and it is known to cause several types of cancer and chronic diseases. Majority of smokers started smoking during adolescence and therefore preventing tobacco use among adolescents is critical to prevent them from future smoking. Our study aims to investigate the prevalence of current cigarette smoking and its associated factors among male adolescents in Malaysia.
Methods: Data was obtained from the National Health and Morbidity Survey (NHMS): Adolescent Health Survey (AHS) 2017 which was a cross-sectional study. A two-stage stratified cluster sampling design was used to select a nationally representative sample of school-going adolescents in Malaysia. Data collection was conducted using a validated self-administered questionnaire. Multiple logistic regression analysis was performed to identify the associated factors of current cigarette smoking among male adolescents in Malaysia.
Results: Approximately one-fifth (22.4%) of male adolescents were current cigarette smokers. Male adolescents who aged 16-17 years, from rural schools, those whose parents were widowed/ divorced/ separated, those who had either one or both parents/guardians who used tobacco product, those who were current illicit drug users and current alcohol users were more likely to be current cigarette smokers.
Conclusion: A substantial percentage of Malaysian male adolescents were current cigarette smokers. Anti-smoking campaigns and tobacco prevention initiatives should be targeted at adolescents at risk to prevent them from becoming cigarette smokers.
Study name: National Health and Morbidity Survey (NHMS-2017)

Matched MeSH terms: Prevalence
Fulltext Prevalence of occupational diseases among small and medium industry workers in Malaysia: a systematic review

Muhammad Zubir Yusof, Nik Ahmad Kamal Nik Mahmod, Nor Azlina A. Rahman, Ailin Razali, Niza Samsuddin, Nik Mohamed Nizan Nik Mohamed, et al.

Journal of Clinical and Health Sciences, 2019;4(2):4-30.
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Occupational diseases are one of the major health problems related to workplace hazards.
However, the epidemiological data for this problem is scarce especially among Small and
Medium Industry (SMI) workers. These workers are vulnerable to occupational health problem
due to lack of knowledge and implementation of health and safety in the workplace. In Malaysia,
most of the SMI workers have limited coverage for basic occupational health services which
may worsen their health. Thus, this article aims to provide a review on the burden of
occupational health problems among them. The electronic and library searches were used to
extract the information from both published and unpublished articles that were not limited to any
year of publication until 2017. One hundred and ninety-six published articles and 198
unpublished articles were retrieved from the database. Only 19 published articles and 25
unpublished articles met the eligibility criteria. Prevalence data of occupational
diseases/poisoning, including overall and body specific (musculoskeletal disorders) was
extracted in raw data from the eligible studies. Prevalent statistics on occupational
musculoskeletal diseases (1.3% - 97.6%), noise-induced hearing loss (29.4% - 73.3%),
occupational skin diseases (10.5% - 84.3%), respiratory (1.9% - 92.2%) and occupational
poisoning (14.9% - 17.7%) among the working population is different within published papers
compared to unpublished ones. In Malaysia, there are no specific statistic that give a true picture
of the burden of occupational diseases in the SMI. However, this review concludes that
musculoskeletal diseases are significant occupational problems among SMI workers.

Matched MeSH terms: Prevalence
Detection of Anaplasmataceae agents and co-infection with other tick-borne protozoa in dogs and Rhipicephalus sanguineus sensu lato ticks

Low VL, Prakash BK, Lim YA, Tan TK, Vinnie-Siow WY, Sofian-Azirun M, et al.

Exp Appl Acarol, 2018 Aug;75(4):429-435.
PMID: 30073430 DOI: 10.1007/s10493-018-0280-9

Anaplasmosis and ehrlichiosis are of serious health concern worldwide for animals and humans. In the present study, we report the occurrence of Anaplasma platys and Ehrlichia canis in dogs and Rhipicephalus sanguineus sensu lato (s.l.) ticks from Peninsular Malaysia using a nested polymerase chain reaction assay based on amplification of the 16S rRNA gene. Anaplasma platys was detected from dogs and ticks with prevalence rates of 3.3% (8/240) and 2.9% (4/140), respectively. On the other hand, 12.9% (31/240) of the dogs and 0.7% (1/140) of the ticks were tested positive for E. canis. Additionally, co-infections of A. platys and E. canis with Babesia or Hepatozoon protozoa were also noted in this study. Double infection (E. canis + B. gibsoni) was observed in tick, whereas triple infections (E. canis + A. platys + B. vogeli and E. canis + A. platys + H. canis) were found in dogs. This study represents the first evidence of A. platys DNA in R. sanguineus s.l. in Malaysia.

Matched MeSH terms: Prevalence
Fulltext Prevalence of Drug-Related Problems and Complementary and Alternative Medicine Use in Malaysia: A Systematic Review and Meta-Analysis of 37,249 Older Adults

Chang CT, Ang JY, Islam MA, Chan HK, Cheah WK, Gan SH

Pharmaceuticals (Basel), 2021 Feb 25;14(3).
PMID: 33669084 DOI: 10.3390/ph14030187

Drug-related problems (DRPs) in the elderly include polypharmacy, potentially inappropriate medications, nonadherence, and drug-related falls. In this systematic review and meta-analysis, the prevalence of DRPs and complementary and alternative medicine (CAM) use among the Malaysian elderly was estimated. PubMed, Scopus, Web of Science, and Google Scholar databases were searched to identify studies published since their inception up to 24 August 2020. A random-effects model was used to generate the pooled prevalence of DRPs along with its corresponding 95% confidence interval (CI). The heterogeneity of the results was estimated using the I2 statistics, and Cochran's Q test and sensitivity analyses were performed to confirm the robustness of the results. We identified 526 studies, 23 of which were included in the meta-analysis. (n = 29,342). The pooled prevalence of DRPs among Malaysian elderly was as follows: (1) polypharmacy: 49.5% [95% CI: 20.5-78.6], (2) potentially inappropriate medications: 28.9% [95% CI: 25.4-32.3], (3) nonadherence to medications: 60.6% [95% CI: 50.2-70.9], and (4) medication-related falls 39.3% [95% CI: 0.0-80.8]. Approximately one in two Malaysian elderly used CAM. The prevalence of polypharmacy and potentially inappropriate medications among the Malaysian elderly population was high, calling for measures and evidence-based guidelines to ensure the safe medication use.

Matched MeSH terms: Prevalence
Fulltext Advisory panel review on the feasibility of three intervention programmes for children with autism spectrum disorder

Farahiyah Wan Yunus, Michelle Bissett, Stefania Penkala, Muhammad Hibatullah Romli, Karen P.Y Liu

Malaysian Journal of Medicine and Health Sciences, 2020;16(2):43-51.
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Introduction: The prevalence of children with autism spectrum disorder is increasing each year. Intervention pro- grammes towards improving the occupational needs such as daily activities of these children are limited. This study aimed to collect opinions from advisory panel for the content validation of the three developed intervention pro- grammes to be implemented among children with autism spectrum disorder aged between 6 to 12 years. The inter- vention programmes are; i) self-regulated learning, ii) sensory integration intervention and iii) activity-based interven- tion. Methods: A cross-sectional study was conducted. Twenty occupational therapists with more than three years’ experience working with children with autism spectrum disorders were recruited as advisory panel members. Re- searchers-developed questionnaire was used. The questionnaire consists of nine to eleven items. Each item consists of a five-point Likert scale for quantitative responses and open-ended questions for qualitative responses. Results: Advisory panel ratings of ‘Good’ to ‘Excellent’ was reported across most items in all three intervention programmes. Overall results suggested that the intervention programmes content was rated to be suitable for children with autism spectrum disorder. Constructive comments were adopted to clarify the activities and structure of the intervention programmes. Final development of the intervention programmes is presented. Conclusion: This study provides con- fidence for the interventions to be incorporated into the future randomised controlled trial.

Matched MeSH terms: Prevalence
Fulltext Critical factors in quality of life: a qualitative explorations into the experiences of Malaysian with heart failure

Nor Firdous Mohamed, Nor Azwany Yaacob, Aizai Azan Abdul Rahim, Oteh Maskon, Mohamed Hatta Shaharom, Othman Lebar

Malaysian Journal of Medicine and Health Sciences, 2020;16(2):52-62.
MyJurnal

Introduction: Heart failure (HF) prevalence is increasing in Malaysia and brings about significant poor outcomes especially on the patients’ wellbeing. Despite the devastating physical symptoms of HF experienced by patients, other social consequences on patients are often not discussed by their health care professionals. Hence, this qual- itative study aims to explore and understand the quality of life (QOL) for patients in Malaysia of various ethnicity who have been diagnosed with heart failure. Methods: Nineteen (n = 19) patients with recurrent HF were recruited via purposive sampling. One-to-one semi-structured interviews were conducted after patients’ informed consent was obtained. The aforementioned sessions were audio-recorded and transcribed verbatim. Finally, the transcribed data was analysed through Braun and Clarke’s framework for thematic analysis. Results: The findings revealed that Malaysians with HF reported either positive or negative experiences related with QOL which had an effect on their well-being. Four main themes emerged included physical, psychological, social, and spirituality. Interestingly, cul- tural and beliefs consideration were important to understand these QOL themes of HF patients as a whole, especially in Malaysia’s multi-ethnic communities. Conclusion: Informants were able to give vivid descriptions of living with HF experiences and the way it affected their QOL due to the disruptive and uncertain nature of HF in four major themes. However, the individual themes of QOL in HF patients need to be comprehended in detail including the local cultural perspectives, particularly by health professionals who deal with HF patients of minority ethnicities, in order to improve treatment and health outcomes.

Matched MeSH terms: Prevalence
Fulltext Mycological isolation from animal enclosures and environments in National Wildlife Rescue Centre and National Zoo, Malaysia

Omar S, Jalaludin FA, Yee JM, Kamarudin Z, Jayaseelan K, Khlubi ANM, et al.

J Vet Med Sci, 2020 Aug 28;82(8):1236-1242.
PMID: 32641623 DOI: 10.1292/jvms.20-0229

It is important to provide a baseline of fungal composition in the captive wildlife environment to better understand their role in overall wildlife health. The objectives were to identify species of fungi existing within wildlife animal enclosures and their environment at the National Wildlife Rescue Centre (NWRC) and the National Zoo, Malaysia and to describe their medical and veterinary importance. Samples of air, wall or floor swab, enrichment swab and soil were taken from the animal enclosures, exercise yard and enrichments at NWRC and National Zoo respectively. All samples including those pre-treated samples were plated onto Sabouraud's Dextrose Agar (SDA). Numerous fungi were grown on all sampling SDA plates regardless by either single or multiple growth. Samples of air in both NWRC and National Zoo had the highest growth of Penicillium spp. with a prevalence of 31.2% and 83.7% respectively. Samples of swab from the wall, floor and enrichments were predominantly by Candida spp. (42.6%) in NWRC and Penicillium spp. (41.6%) in the National Zoo. Prevalence of multiple fungi isolated from the soil samples in NWRC were 57.9% and yeast species was the most common in National Zoo with a prevalence of 88.9%. Overall, 29 and 8 isolates were found in both samples from the NWRC and National Zoo with a predominant species of potential zoonotic fungi have been identified in both premises. The expected fungus Aspergillus spp. was not isolated in all samples in NWRC. Prevalent fungal species found in this study are known to cause disease in animals and humans as primary pathogen and also as opportunistic pathogens that may also cause infection. Thus, health safety precautions should be considered particularly in dealing with conservation of endangered wildlife species, along with personnel and public involvements.

Matched MeSH terms: Prevalence
Fulltext Prevalence and characteristics of fever in adult and paediatric patients with coronavirus disease 2019 (COVID-19): A systematic review and meta-analysis of 17515 patients

Islam MA, Kundu S, Alam SS, Hossan T, Kamal MA, Hassan R

PLoS One, 2021;16(4):e0249788.
PMID: 33822812 DOI: 10.1371/journal.pone.0249788

BACKGROUND: Coronavirus disease 2019 (COVID-19), a pandemic disease caused by the severe acute respiratory syndrome coronavirus 2 started to spread globally since December 2019 from Wuhan, China. Fever has been observed as one of the most common clinical manifestations, although the prevalence and characteristics of fever in adult and paediatric COVID-19 patients is inconclusive. We aimed to conduct a systematic review and meta-analysis to estimate the overall pooled prevalence of fever and chills in addition to fever characteristics (low, medium, and high temperature) in both adult and paediatric COVID-19 patients.
METHODS: The protocol of this systematic review and meta-analysis was registered with PROSPERO (CRD42020176327). PubMed, Scopus, ScienceDirect and Google Scholar databases were searched between 1st December 2019 and 3rd April 2020 without language restrictions. Both adult (≥18 years) and paediatric (<18 years) COVID-19 patients were considered eligible. We used random-effects model for the meta-analysis to obtain the pooled prevalence and risk ratio (RR) with 95% confidence intervals (CIs). Quality assessment of included studies was performed using the Joanna Briggs Institute critical appraisal tools. Heterogeneity was assessed using the I² statistic and Cochran's Q test. Robustness of the pooled estimates was checked by different subgroups and sensitivity analyses.
RESULTS: We identified 2055 studies, of which 197 studies (n = 24266) were included in the systematic review and 167 studies with 17142 adults and 373 paediatrics were included in the meta-analysis. Overall, the pooled prevalence of fever in adult and paediatric COVID-19 patients were 79.43% [95% CI: 77.05-81.80, I2 = 95%] and 45.86% [95% CI: 35.24-56.48, I2 = 78%], respectively. Besides, 14.45% [95% CI: 10.59-18.32, I2 = 88%] of the adult COVID-19 patients were accompanied with chills. In adult COVID-19 patients, the prevalence of medium-grade fever (44.33%) was higher compared to low- (38.16%) and high-grade fever (14.71%). In addition, the risk of both low (RR: 2.34, 95% CI: 1.69-3.22, p<0.00001, I2 = 84%) and medium grade fever (RR: 2.79, 95% CI: 2.21-3.51, p<0.00001, I2 = 75%) were significantly higher compared to high-grade fever, however, there was no significant difference between low- and medium-grade fever (RR: 1.17, 95% CI: 0.94-1.44, p = 0.16, I2 = 87%). 88.8% of the included studies were of high-quality. The sensitivity analyses indicated that our findings of fever prevalence for both adult and paediatric patients are reliable and robust.
CONCLUSIONS: The prevalence of fever in adult COVID-19 patients was high, however, 54.14% of paediatric COVID-19 patients did not exhibit fever as an initial clinical feature. Prevalence and risk of low and medium-grade fevers were higher compared to high-grade fever.

Matched MeSH terms: Prevalence
Fulltext Systematic Review of Primary Immunodeficiency Diseases in Malaysia: 1979-2020

Abd Hamid IJ, Azman NA, Gennery AR, Mangantig E, Hashim IF, Zainudeen ZT

Front Immunol, 2020;11:1923.
PMID: 32983118 DOI: 10.3389/fimmu.2020.01923

Introduction: Primary immunodeficiency diseases (PIDs) are under-reported in Malaysia. The actual disease frequency of PID in this country is unknown due to the absence of a national patient registry for PID. Objective: This systematic review aimed to determine the prevalence rates of PID cases diagnosed and published in Malaysia from 1st of January 1979 until 1st of March 2020. It also aimed to describe the various types of PIDs reported in Malaysia. Method: Following the development of a comprehensive search strategy, all published literature of PID cases from Malaysia was identified and collated. All cases that fulfilled the International Union of Immunological Societies (IUIS) classification diagnosis were included in the systematic review. Data were retrieved and collated into a proforma. Results: A total of 4,838 articles were identified and screened, with 34 publications and 119 patients fulfilling the criteria and being included in the systematic review. The prevalence rate was 0.37 per 100,000 population. In accordance with the IUIS, the distribution of diagnostic classifications was immunodeficiencies affecting cellular and humoral immunities (36 patients, 30.3%), combined immunodeficiencies with associated or syndromic features (21 patients, 17.6%), predominant antibody deficiencies (24 patients, 20.2%), diseases of immune dysregulation (13 patients, 10.9%), congenital defects in phagocyte number or function (20 patients, 16.8%), defects in intrinsic and innate immunity (4 patients, 3.4%), and autoinflammatory disorders (1 patient, 0.8%). Parental consanguinity was 2.5%. Thirteen different gene mutations were available in 21.8% of the cases. Conclusion: PIDs are underdiagnosed and under-reported in Malaysia. Developing PID healthcare and a national patient registry is much needed to enhance the outcome of PID patient care.

Matched MeSH terms: Prevalence
An analysis of the development assistance for health (DAH) allocations for STD control in Africa

Furuoka F, Hoque MZ, Jacob RI, Ziegenhain P

Health Econ Policy Law, 2020 Oct;15(4):458-476.
PMID: 30968812 DOI: 10.1017/S1744133119000197

The Sustainable Development Goals set by the United Nations recognize the importance of making progress in the eradication and treatment of sexually transmitted deceases (STD). STD are among the most widespread diseases in the world and have the highest prevalence in Sub-Saharan Africa. The current study explored the associations between the allocation of the development assistance for health (DAH) in 54 African countries and key development indicators - STD incidence, Gross Domestic Product per capita, health expenditure, and life expectancy at birth. It employed descriptive statistical methods, the matrix scatter plot analysis and the Pearson correlation test for this purpose. The findings indicated that there was a considerable increase in the volume of the DAH given to control and prevent STD in Africa over the period of 2002-2011. A statistically significant positive association was detected between the STD incidence and the health aid allocations. At the same time, the imbalance in the distribution of the health aid between the major and minor aid recipients in the continent increased. The study concludes by discussing policy implications that can be drawn from these findings.

Matched MeSH terms: Prevalence
Fulltext Association between secondhand smoke exposure at home and cognitive performance among rural primary school children in Malaysia

Ellis-Suriani Z, Norsa'adah B, Othman A, Siti-Azrin AH

Tob Induc Dis, 2021;19:27.
PMID: 33867904 DOI: 10.18332/tid/133638

INTRODUCTION: Secondhand smoke (SHS) exposure is linked to a series of serious health problems. Children may be particularly vulnerable to the effects of SHS exposure at home. This study aimed to determine the association between SHS exposure at home and cognitive performance in school children.
METHODS: A multistage sampling was performed across rural primary schools in Kuala Krai, Kelantan, Malaysia. Data were collected using self-administered questionnaires and the children aged 10-11 years (n=312) were subjected to cognitive tests including digit span, letter-number sequencing, coding, and symbol search. Cognitive performance was tested using subscales derived from the Wechsler Intelligence Scale for Children.
RESULTS: The prevalence of SHS exposure at home was 55.8%, where 11.9% of children lived with one smoker, while 43.9% of children lived with ≥2 smokers. There was a significant difference in the mean score of the combined cognitive tests between SHS-exposed and non-exposed children after adjustment for sex, parental educational level, family income and academic performance [Pillai's Trace=0.084, F statistic (df)=6.803 (4302), p<0.001].
CONCLUSIONS: More than half of the primary school children in rural Kuala Krai were exposed to SHS from at least one smoker at home. There was a significant association between SHS exposure at home and cognitive performance.

Matched MeSH terms: Prevalence
Fulltext Vast opportunity to study microrna (miRNA) in head and neck cancer among Malaysian population

Mohd. Arifin Kaderi, Kahairi Abdullah, Wan Ishlah Leman, Azmir Ahmad

International Journal of Allied Health Sciences, 2018;2(3):475-488.
MyJurnal

Head and neck cancer (HNC) is among the common cancer in Malaysia. Depending on the location of the cancer in head and neck region, each type of HNC has its own characteristics and prevalence to specific gender and ethnicity. The remote and inaccessible location of the cancer also cause the difficulty to detect the cancer. This make the cancer usually diagnosed at late stage and make the treatment very challenges and ended with low survival rate of post-treatment among HNC patients. In fact, the detection of HNC at early stage could promise high successful recovery rate. This situation demand lots of studies to explore the carcinogenesis of HNC and searching for robust diagnostic, prognostic and therapeutic biomarkers. MicroRNA (miRNA) is a class of non-coding RNA that regulate cellular physiology at post-transcriptional level. miRNAs expression has
been found to deregulate in various disease state, including cancer. A few studies revealed that miRNAs can behave as oncogenic and tumour suppressor in HNC. Even HNC is common in Malaysia, the studies of miRNA in HNC are still scarce. In this review article, we highlight the studies of miRNA in HNC that have been published by Malaysian researchers with aim to call more Malaysian researchers to focus on miRNA researches in HNC.

Matched MeSH terms: Prevalence
Fulltext Observe your child ablution; they could have obsessive-compulsive disorders

Norzila Zakaria, Ahmad ShahrilAb. Halim, Ramiza Ramza Ramli, Raishan Shafini Bakar, Agustine Nengsih Fauzi, Nur-Fazimah Sahran, et al.

Malaysian Journal of Paediatrics and Child Health, 2019;25(2):30-32.
MyJurnal

Obsessive-compulsive disorder (OCD) is a neuropsychiatric disorder characterized by recurrent intrusive, distressing thoughts and repetitive behaviours or mental rituals performed to reduce anxiety. The lifetime prevalence of OCD is 2.3% and it can happen to all people of various levels, including child and adolescent. The mean age of onset is 19.5 years, and a subset of patients, mostly males, have an early onset before 10 years of age. The lifetime risk of developing OCD is higher in females, who typically develop the disorder in adolescence [1]. Person with OCD usually presented with obsession involving various themes, namely contamination; repeated doubts; religious, need for symmetry and exactness, or taboo thoughts of a sexual, religious, or aggressive nature. Whereas, the most common compulsions are checking, washing, hoarding, and counting compulsions[1]. (Copied from article).

Matched MeSH terms: Prevalence

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