Displaying publications 61 - 80 of 168 in total

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  1. Natalia Che Ishak, Hayati Kadir Shahar, Rosliza Abdul Manaf
    MyJurnal
    Introduction: HIV-related stigma refers to prejudice, negative attitudes and abuse directed at people living with HIV (PLHIV) and interferes with both prevention and treatment efforts. This study was designed to examine drivers of HIV-related stigma among healthcare workers in health clinics in Hulu Langat, Selangor. Methods: This is a sin-gle-blinded, cluster randomised controlled trial (parallel groups). A total of 158 participants from the intervention group and 158 participants from the control group were randomised via balloting process at the cluster (clinic) level. A comprehensive self-administered questionnaire based on the stigma index tool was used. Data were analysed using IBM SPSS version 25 involving descriptive and bivariate analyses. The baseline results were analysed using the chi-square test and Mann-Whitney U test. Results: The response rate for the intervention group was 83.5% and 81.6% for the control group (82.3% combined response rate). Majority of the respondent’s age between 30 – 39 years old, female, nurses, have experience working with PLHIV and worked for 0 – 9 years in the healthcare setting. Comparison of total infection concern score (p = 0.001) and total willingness to treat key populations (KPs) score (p = 0.025) between intervention and control group at baseline were significant. However, comparison of total opinion/perception about PLHIV score, total knowledge about HIV score, total intention to stigmatise score and total health facility policies and guidelines score between intervention and control group at baseline showed no significant dif-ference. Conclusion: The significant difference between groups on certain scores above might be due to different job category between the two groups thus influence how willing they are in treating PLHIV. These findings may assist stigma reduction intervention programmes targeting healthcare providers in Hulu Langat, Selangor and ensure quality care for PLHIV.
    Matched MeSH terms: Statistics, Nonparametric
  2. Onuma M, Suzuki M, Ohtaishi N
    J Vet Med Sci, 2001 Mar;63(3):293-7.
    PMID: 11307930
    Fecal progesterone assays were conducted in 3 captive female sun bears (Helarctos malayanus) segregated from males to characterize the species-specific reproductive pattern in their original distribution area in Sarawak, Malaysia. Peaks of fecal progesterone concentrations were observed once annually, and lactation was observed after increasing progesterone concentrations in all females without mating stimulus. These results suggest that sun bears in Sarawak, Malaysia, may have a seasonal reproductive pattern and ovulation was noted to occur spontaneously, followed by pseudopregnancy.
    Matched MeSH terms: Statistics, Nonparametric
  3. Rogers DW, Baker RH, Chapman T, Denniff M, Pomiankowski A, Fowler K
    J Evol Biol, 2005 May;18(3):642-50.
    PMID: 15842493
    Traditionally it was thought that fitness-related traits such as male mating frequency, with a history of strong directional selection, should have little additive genetic variance and thus respond asymmetrically to bidirectional artificial selection. However, recent findings and theory suggest that a balance between selection for increased male mating frequency and opposing selection pressures on physiologically linked traits will cause male mating frequency to have high additive genetic variation and hence respond symmetrically to selection. We tested these hypotheses in the stalk-eyed fly, Cyrtodiopsis dalmanni, in which males hold harems comprising many females and so have the opportunity to mate at extremely high frequencies. We subjected male stalk-eyed flies to artificial selection for increased ('high') and decreased ('low') mating frequency in the presence of ecologically realistic, high numbers of females. High line males mated significantly more often than control or low line males. The direct response to selection was approximately symmetric in the high and low lines, revealing high additive genetic variation for, and no significant genetic constraints on, increased male mating frequency in C. dalmanni. In order to investigate trade-offs that might constrain male mating frequency under natural conditions we examined correlated responses to artificial selection. We measured accessory gland length, testis length and eyespan after 7 and 14 generations of selection. High line males had significantly larger accessory glands than low line males. No consistent correlated responses to selection were found in testis length or eyespan. Our results suggest that costs associated with the production and maintenance of large accessory glands, although yet to be identified, are likely to be a major constraint on mating frequency in natural populations of C. dalmanni.
    Matched MeSH terms: Statistics, Nonparametric
  4. Sahay M, Jasuja S, Tang SCW, Alexander S, Jha V, Vachharajani T, et al.
    Nephrology (Carlton), 2021 Feb;26(2):142-152.
    PMID: 33169890 DOI: 10.1111/nep.13825
    AIM: There is paucity of data on the epidemiology of end-stage kidney disease (ESKD) from South Asia and South-East Asia. The objective of this study was to assess the aetiology, practice patterns and disease burden and growth of ESKD in the region comparing the economies.

    METHODS: The national nephrology societies of the region; responded to the questionnaire; based on latest registries, acceptable community-based studies and society perceptions. The countries in the region were classified into Group 1 (High|higher-middle-income) and Group 2 (lower|lowermiddle income). Student t-test, Mann-Whitney U test and Fisher's exact test were used for comparison.

    RESULTS: Fifteen countries provided the data. The average incidence of ESKD was estimated at 226.7 per million population (pmp), (Group 1 vs. Group 2, 305.8 vs. 167.8 pmp) and average prevalence at 940.8 pmp (Group 1 vs. Group 2, 1306 vs. 321 pmp). Group 1 countries had a higher incidence and prevalence of ESKD. Diabetes, hypertension and chronic glomerulonephritis were most common causes. The mean age in Group 2 was lower by a decade (Group 1 vs. Group 2-59.45 vs 47.7 years).

    CONCLUSION: Haemodialysis was the most common kidney replacement therapy in both groups and conservative management of ESKD was the second commonest available treatment option within Group 2. The disease burden was expected to grow >20% in 50% of Group 1 countries and 78% of Group 2 countries along with the parallel growth in haemodialysis and peritoneal dialysis.

    Matched MeSH terms: Statistics, Nonparametric
  5. Selvaraj S, Eusufzai SZ, Asif JA, Bin Jamayet N, Ahmad WMAW, Alam MK
    Work, 2021;69(1):173-180.
    PMID: 33998580 DOI: 10.3233/WOR-213466
    BACKGROUND: Sleep apnoea is a diagnosed condition in which appurtenances interrupt breathing whilst sleeping. The consequence of obstructive sleep apnoea (OSA) includes road traffic accidents due to drowsiness, systemic hypertension, heart disease, diabetes mellitus and neurocognitive disorders. This condition extends the duration of recovery phase after traumatic brain injury.

    OBJECTIVE: This study was intended to assess the knowledge and attitude towards OSA and compare it among dental and medical undergraduate students of University Sains Malaysia (USM).

    METHODS: In this study, a total of 216 clinical undergraduate students (36 from each year; 108 from medical and 108 from dental school) of University Sains Malaysia (USM) Health campus were recruited for the study by non-probability stratified random sampling method. Total study period was October 2017 to October 2018. A self-administered questionnaire was used to assess the sociodemographic status and OSAKA questionnaire was used to assess knowledge and attitude regarding sleep apnoea of the respondents. Descriptive analysis was carried out to assess the knowledge and attitude of OSA amongst dental and medical undergraduate students of USM. The Mann-Whitney U test was carried out to compare the knowledge and attitude of OSA amongst dental and medical undergraduate students of USM.

    RESULTS: Our study findings revealed that 0.9 %and 6.5 %of the dental undergraduate students and medical undergraduate students could answer all the questions correctly regarding knowledge of OSA. Based on the assessment of the difference between medical and dental students in terms of knowledge towards OSA patients, significant difference was observed at the significance level of 95%, where p 

    Matched MeSH terms: Statistics, Nonparametric
  6. Law, Leh Shii, Stephen, Jeffery
    MyJurnal
    Oral health gained attention worldwide as it exerted unfavourable and undesired influences on an individual’s daily lives and wellbeing, especially among the rural population. In order to increase the understanding on the oral health among the rural community, this study aimed to determine the oral health knowledge and practice and its association with sociodemographic characteristics among the longhouse residents in Julau, Sarawak. In this cross-sectional study, a total of 105 residents were recruited from five longhouses, namely Rumah Panjang Mengga, Rumah Panjang Ikeh, Rumah Panjang Michael, Rumah Panjang Budit, and Rumah Panjang Manju. Information related to sociodemographic characteristics, as well as oral health knowledge and practice was gathered through face-to-face interview by using a structured questionnaire. Spearman rho correlation test, Mann-Whitney U-test, and Krukal-Wallis H-test were applied during data analysis. Median (interquartile) age of the children and adults was 10.0 (5.0) and 50.0 (22.0) years old, respectively. Findings revealed that oral health knowledge and practices among participants, both children and adults were inadequate as a high proportion of the participants were unable to provide answers for oral health related questions (functions of fluoride and correlation between gum disease with heart disease) and several oral health practices (regular oral check-up, change of toothbrush, and consumption of sweetened food) were also not being engaged in the daily life among the children and adult participants. A significant correlation was found between age and knowledge score among adult participants (rs = -0.389, p < 0.001). Besides, significant higher oral health knowledge score were found among adult participants with higher education level (H = 27.466; p < 0.001) and significant higher in oral health practice score was found among unemployed adult participants when compared to self-employed and employed workers for government and private (H = 9.631, p = 0.008). In conclusion, younger and educated participants are more knowledgeable regarding oral health. Engagement of oral health practices were related to occupation of the adult participants. Provision of health education and education aid for longhouse community should be continued taking into consideration age, level of education level, and even occupation in order to improve their oral health knowledge and practice.
    Matched MeSH terms: Statistics, Nonparametric
  7. Samuel ED, Griffiths GS, Petrie A
    J Clin Periodontol, 1997 May;24(5):340-5.
    PMID: 9178114
    The aim of this study was to investigate the accuracy and reproducibility of experienced and inexperienced examiners using 3 automated periodontal probes (Florida Pocket Probe, Florida Disk Probe, Peri Probe) in comparison with 3 conventional periodontal probes (Marquis, Williams and EN-15 probes). Test blocks of aluminium had 30 holes of diameter 1.10 mm and depths ranging from 2.75 to 10.0 mm. machined with a tolerance of +/- 0.01 mm. 8 experienced examiners and 8 inexperienced examiners were selected to perform duplicate measurements on the blocks over 6 visits using each of the 6 probes. 1 automated and 1 conventional probe were used at each examination. The % accuracy and reproducibility for each of the duplicate measurements was calculated and analysed using Friedman 2-way analysis of variance and the Wilcoxon matched pairs test. On average, all probes showed high reproducibility, with the Florida Disk Probe, the Florida Pocket Probe and the Williams probe ranked best and the other 3 probes were less reproducible. On average, all probes showed a high degree of accuracy, automated probes were ranked best and were significantly better than conventional probes. Experience had little effect on reproducibility, with only the Peri Probe showing significant differences at the 5% level between the groups. Experience appeared to be more important for accuracy, as experienced examiners were more accurate than inexperienced examiners, with significant differences at the 5% level for the EN-15, Florida Disk Probe and Peri Probe. However, inexperienced examiners were significantly more accurate using the Williams probe. This in vitro study has shown that automated probes offer increased accuracy over conventional probes and the Florida Pocket and disk probes compare well with conventional probes for reproducibility.
    Matched MeSH terms: Statistics, Nonparametric
  8. Tan CE, Tohit N, Shamsul Azhar S, Lee CC, Mohd Ridzuan AR, Siti Rahimah S, et al.
    Medicine & Health, 2013;8(2):55-63.
    MyJurnal
    The present study aimed to determine the factors associated with CKD stage 3b among type 2 diabetics attending primary care follow-up, specifically the role of angiotensin blockade dosage. This was a pilot unmatched case-control study conducted in a teaching primary care centre. Clinical data of 25 cases of diabetic patients with CKD stage 3b (GFR 30-45ml/min/1.73m2) in 2012 were selected for this study, as well as 103 controls who were diabetic patients with GFR more than 45ml/min/1.73m2 in 2012. Systematic random sampling was employed. Data was obtained from patients’ diabetic records, computerised clinical medical information system and medical case notes. Univariate analysis was done using Chi-square, t-test, Fisher’s exact test and Mann-Whitney U-test. Multiple logistic regression was used to determine the associated factors for development of CKD stage 3b. Cases and controls were different in terms of age, duration of diabetes, use and dosage of angiotensin blockade medications, systolic blood pressure and baseline GFR. Multiple logistic regression revealed that systolic blood pressure (Adjusted OR= 1.08, 95% CI= 1.02-1.14, p=0.013) and baseline GFR (Adjusted OR= 0.90, 95% CI= 0.85-0.95, p
    Matched MeSH terms: Statistics, Nonparametric
  9. Dariah, M.Y., Paterson, J., Se, Ho, Ho, Christopher CK, Lily, X., Belan, I.
    Medicine & Health, 2014;9(1):22-32.
    MyJurnal
    The aim of this study was to investigate the prevalence of postnatal urinary incontinence (PNUI), the risk factors associated with it and postnatal women’s (PN) level of engagement in practicing traditional Malay confinement care (TMCC) in Kelantan, Malaysia. A cross-sectional survey was conducted among 362 postnatal women aged between 18 – 45 years and who were between three to five months post-delivery. Participants were selected through convenience sampling at six Maternal and Child Health Clinics located in comparatively similar districts. Descriptive and inferential analyses including, factor analysis, Pearson chi-square, Mann-Whitney U test and logistic regressions analysis were used for data analysis. Overall, PNUI was reported by 80 women (22.1%). Vaginal delivery was associated with PNUI. All PN women within the study context practiced TMCC. The findings revealed that women who had PNUI were more likely to engage in a higher level of the ‘Body care’ component of TMCC. UI is prevalent among PN women in Kelantan, Malaysia. Further research into the impact of the ‘body care’ component of TMCC on PNUI is required.
    Matched MeSH terms: Statistics, Nonparametric
  10. Lim KY, Tham HW
    Health services insights, 2020;13:1178632920921425.
    PMID: 32528223 DOI: 10.1177/1178632920921425
    Background: Zika fever is a mosquito-borne disease with global health concern. It has been underreported or misdiagnosed due to its unspecific clinical manifestations, including mild-influenza like and subclinical symptoms. However, its associated serious complications which include fetal microcephaly and Guillain-Barré syndrome remained a challenge to the public health sectors. This research aimed to evaluate the knowledge, awareness, and perception toward Zika virus infection among community pharmacists in the Klang Valley of Malaysia and to determine the association between the knowledge of Zika virus infectious disease and years of community practice experience among community pharmacists in this region.

    Methods: This survey research was conducted from August to December 2018 through a pre-tested, self-administration, and cross-sectional random convenient sampling at various districts in the Klang Valley. A total of 275 registered community pharmacists were involved in this study by completing a pilot-tested questionnaire. Descriptive analysis, Mann-Whitney U test, and Kruskal-Wallis H test were used to analyze the data.

    Results: The knowledge toward Zika virus infection of respondents was classified into "poor" (5.1%), "basic" (70.9%), and "broad" (24.0%). Most of the participants (n = 195, 70.9%) presented with basic knowledge toward Zika virus infection. A total of 268 (97.5%) participants presented with high awareness toward Zika virus infection. The mean score of respondents' knowledge and awareness was 15.88 ± 3.61 (maximum score = 28) and 13.96 ± 1.60 (maximum score = 16), respectively. There was a statistically significant difference between the years of practice of community pharmacists and the level of knowledge toward Zika virus infection.

    Conclusions: In conclusion, our respondents demonstrated a basic level of knowledge and high awareness toward Zika virus infection. Also, we highlighted some possible pitfalls in the knowledge of Zika virus infection, including the virus transmission, symptoms, diagnosis, treatment, prevention, and complications of the disease.

    Matched MeSH terms: Statistics, Nonparametric
  11. Hassali M, Shafie A, Khan T
    J Young Pharm, 2012 Jul;4(3):193-8.
    PMID: 23112539 DOI: 10.4103/0975-1483.100028
    The current study aimed to explore the public views and expectation about a successful communication process between the healthcare providers/physicians and patients in Penang Island, Malaysia. A cross-sectional study was conducted in Penang Island using a 14-item questionnaire. Statistical Package for Social Sciences (SPSS) software version 15.0(®) were used to analyze the collected data. A nonparametric statistics was applied; the Chi-square test was applied to measure the association among the variables. P-values less than 0.05 were considered statistically significant. A total of N (500) respondents have shown willingness to participate in the study with a response rate of 83.3%. The majority 319 (63.9%) have disclosed to communicate with their healthcare providers in the Malay language and about 401 (80.4%) of the respondents were found satisfied with the information provided by the physician. It was a common expectation by the most of the sample to focus more on the patient history before prescribing any medicine. Moreover, about 60.0% of the respondents expected that the healthcare providers must show patience to the patient's queries. The level of satisfaction with the information shared by the healthcare providers was higher among the respondents with a higher education level. Furthermore, patients with higher level of education expect that physician shouldwell understand their views and medical history to prescribe a better therapeutic regimen.
    Matched MeSH terms: Statistics, Nonparametric
  12. Jamal N, Ng KH, McLean D, Looi LM, Moosa F
    AJR Am J Roentgenol, 2004 Mar;182(3):713-7.
    PMID: 14975974
    This study was undertaken to estimate mammographic breast glandularity in Malaysian women from radiographic data.
    Matched MeSH terms: Statistics, Nonparametric
  13. Ng AWA, Muller R, Orton J
    Undersea Hyperb Med, 2017 8 5;44(2):101-107.
    PMID: 28777900
    CONTEXT: Middle ear barotrauma (MEB) is common during chamber compression in hyperbaric oxygen therapy. However, little evidence exists on an optimal compression protocol to minimize the incidence and severity of MEB.

    OBJECTIVE: To compare the incidence of MEB during hyperbaric oxygen therapy using two different chamber compression protocols.

    DESIGN: Double-blinded, randomized controlled trial.

    SETTING: Hyperbaric Medicine Unit, The Townsville Hospital, Queensland, Australia, September 2012 to December 2014.

    PATIENTS: 100 participants undergoing their first hyperbaric oxygen therapy session.

    INTERVENTION: Random assignment to a staged (n=50) or a linear (n=50) compression protocols. Photographs of tympanic membranes were taken pre- and post-treatment and then graded. Middle ear barotrauma was defined as an increase of at least one grade on a modified TEED scale.

    RESULTS: The observed MEB incidence under the staged protocol was 48% compared to 62% using the linear protocol (P=0.12, exact one-sided binomial test), and thus the staged protocol did not show a significant improvement in MEB. However, the staged protocol resulted in significantly less severe deteriorations in MEB grades when compared to the linear protocol (P=0.028, exact one-sided Mann-Whitney type test).

    CONCLUSION: The use of the assessed staged compression protocol for the first hyperbaric oxygen treatment showed no significant effect on the overall incidence of MEB when compared to the gold standard linear protocol but resulted in a significant improvement in the severity of the experienced MEBs. Further studies are needed to elucidate an optimal compression protocol to minimize middle ear barotrauma.

    Matched MeSH terms: Statistics, Nonparametric
  14. Mori D, Khanam W, Sheikh RA, Tabib SMSB, Ikebe E, Hossain MM, et al.
    Sci Rep, 2017 Nov 23;7(1):16181.
    PMID: 29170534 DOI: 10.1038/s41598-017-16474-3
    Encephalitis causes significant global morbidity and mortality. A large number of viruses cause encephalitis, and their geographic and temporal distributions vary. In many encephalitis cases, the virus cannot be detected, even after extensive testing. This is one challenge in management of the encephalitis patient. Since cytokines are pivotal in any form of inflammation and vary according to the nature of the inflammation, we hypothesized cytokine levels would allow us to discriminate between encephalitis caused by viruses and other aetiologies. This pilot study was conducted in a tertiary care hospital in Dhaka, Bangladesh. Viral detection was performed by polymerase chain reaction using patient cerebrospinal fluid. Acute phase reactants and cytokines were detected in patient serum. Of the 29 biomarkers assessed using the Wilcoxon rank-sum test, only vascular endothelial growth factor (VEGF) was significantly higher (P = 0.0015) in viral-positive compared with virus-negative encephalitis patients. The area under the curve (AUC) for VEGF was 0.82 (95% confidence interval: 0.66-0.98). Serum VEGF may discriminate between virus-positive and virus-negative encephalitis. Further study will be needed to confirm these findings.
    Matched MeSH terms: Statistics, Nonparametric
  15. Mohan V, Paungmali A, Sitilerpisan P, Hashim UF, Mazlan MB, Nasuha TN
    Nurs Health Sci, 2018 Jun;20(2):224-230.
    PMID: 29421851 DOI: 10.1111/nhs.12406
    Non-specific low back pain (NS-LBP) is known to cause respiratory dysfunction. In this study, we investigated alterations in breathing, respiratory strength and endurance, core stability, diaphragm mobility, and chest expansion among patients with NS-LBP and healthy individuals. The specific aim of the study was to correlate between respiratory function and other variables among NS-LBP patients. Thirty four patients with NS-LBP were matched with 34 healthy participants before undergoing total faulty breathing scale, spirometer, respiratory pressure meter, chest expansion, ultrasound, and pressure biofeedback measurements. There were signs of faulty breathing in the NS-LBP patients when compared to the healthy participants. Diaphragmatic mobility and respiratory muscle endurance were lower in the NS-LBP group. Chest expansion exhibited a significant decrease at the level of the fourth intercostal space in the NS-LBP group, but respiratory muscle strength and core stability were not significant between the two groups. Positive correlations were found to be fairly significant regarding respiratory muscle strength. The findings of this study indicated altered respiratory characteristics in the NS-LBP patients, and suggested that they would improve through respiratory exercises.
    Matched MeSH terms: Statistics, Nonparametric
  16. Nimbalkar S, Oh YY, Mok RY, Tioh JY, Yew KJ, Patil PG
    J Prosthet Dent, 2018 Aug;120(2):252-256.
    PMID: 29551374 DOI: 10.1016/j.prosdent.2017.10.021
    STATEMENT OF PROBLEM: Buccal corridor space and its variations greatly influence smile attractiveness. Facial types are different for different ethnic populations, and so is smile attractiveness. The subjective perception of smile attractiveness of different populations may vary in regard to different buccal corridor spaces and facial patterns.

    PURPOSE: The purpose of this study was to determine esthetic perceptions of the Malaysian population regarding the width of buccal corridor spaces and their effect on smile esthetics in individuals with short, normal, and long faces.

    MATERIAL AND METHODS: The image of a smiling individual with a mesofacial face was modified to create 2 different facial types (brachyfacial and dolicofacial). Each face form was further modified into 5 different buccal corridors (2%, 10%, 15%, 22%, and 28%). The images were submitted to 3 different ethnic groups of evaluators (Chinese, Malay, Indian; 100 each), ranging between 17 and 21 years of age. A visual analog scale (50 mm in length) was used for assessment. The scores given to each image were compared with the Kruskal-Wallis test, and pairwise comparison was performed using the Mann-Whitney U test (α=.05).

    RESULTS: All 3 groups of evaluators could distinguish gradations of dark spaces in the buccal corridor at 2%, 10%, and 28%. Statistically significant differences were observed among 3 groups of evaluators in esthetic perception when pairwise comparisons were performed. A 15% buccal corridor was found to score esthetically equally within 3 face types by all 3 groups of evaluators. The Indian population was more critical in evaluation than the Chinese or Malay populations. In a pairwise comparison, more significant differences were found between long and short faces and the normal face; the normal face was compared with long and short faces separately.

    CONCLUSIONS: The width of the buccal corridor space influences smile attractiveness in different facial types. A medium buccal corridor (15%) is the esthetic characteristic preferred by all groups of evaluators in short, normal, and long face types.

    Matched MeSH terms: Statistics, Nonparametric
  17. Htwe TT, Karim N, Wong J, Jahanfar S, Mansur MA
    Singapore Med J, 2010 Nov;51(11):856-9.
    PMID: 21140111
    INTRODUCTION: Galectin-3 is a member of the beta-galactoside-binding protein family that plays an important role in cell-to-cell adhesion and in cell-to-matrix interaction. Cellular expression of galectin-3 is correlated with cancer aggressiveness and metastasis.
    METHODS: We examined the differential expression of galectin-3 in a collection of 142 cases of thyroid lesions, including 108 cases of papillary thyroid carcinoma (PTC) and 34 cases of follicular carcinoma (FCA). An immunohistochemical method was applied and semiquantitative scoring was performed on the staining intensity of the positive tissue. Scoring was done on cells at the central portion of the tumour foci and on cells at the periphery that were adjacent to the neighbouring normal thyroid tissue matrix.
    RESULTS: A significantly higher expression (p is 0.001) of galectin-3 was observed in the advancing peripheral thyroid cancer cells compared to the centrally located cells that were not in close contact with the neighbouring stromal tissue in cases with PTC compared to those with FCA.
    CONCLUSION: This finding supported the role of galectin-3 in its cell-to-cell adhesion and cell-to-matrix interaction. Galectin-3 is a potential tumour marker for indicating local and distance metastasis, especially in cases with PTC.
    Matched MeSH terms: Statistics, Nonparametric
  18. Ellis L, Lykins A, Hoskin A, Ratnasingam M
    J Sex Med, 2015 Dec;12(12):2364-77.
    PMID: 26663858 DOI: 10.1111/jsm.13070
    According to neurohormonal theory, prenatal androgens are key determinants of sexual orientation. As a reputed marker for prenatal androgens, the 2D:4D finger length ratio has been used in more than a dozen studies to test the hypothesis that prenatal androgens influence sexual orientation. Findings have been very inconsistent.
    Matched MeSH terms: Statistics, Nonparametric
  19. Tan AH, Mahadeva S, Marras C, Thalha AM, Kiew CK, Yeat CM, et al.
    Parkinsonism Relat Disord, 2015 Mar;21(3):221-5.
    PMID: 25560322 DOI: 10.1016/j.parkreldis.2014.12.009
    BACKGROUND: Some studies have suggested that chronic Helicobacter pylori (HP) infection can aggravate the neurodegenerative process in Parkinson's disease (PD), and targeted intervention could potentially modify the course of this disabling disease. We aimed to study the impact of HP infection on motor function, gastrointestinal symptoms, and quality of life in a large cohort of PD patients.
    METHODS: 102 consecutive PD patients underwent (13)C urea breath testing and blinded evaluations consisting of the Unified Parkinson's Disease Rating Scale (UPDRS) including "On"-medication motor examination (Part III), objective and quantitative measures of bradykinesia (Purdue Pegboard and timed gait), Leeds Dyspepsia Questionnaire, and PDQ-39 (a health-related quality of life questionnaire).
    RESULTS: 32.4% of PD patients were HP-positive. HP-positive patients were older (68.4 ± 7.3 vs. 63.8 ± 8.6 years, P = 0.009) and had worse motor function (UPDRS Part III 34.0 ± 13.0 vs. 27.3 ± 10.0, P = 0.04; Pegboard 6.4 ± 3.3 vs. 8.0 ± 2.7 pins, P = 0.04; and timed gait 25.1 ± 25.4 vs. 15.5 ± 7.6 s, P = 0.08). In the multivariate analysis, HP status demonstrated significant main effects on UPDRS Part III and timed gait. The association between HP status and these motor outcomes varied according to age. Gastrointestinal symptoms and PDQ-39 Summary Index scores did not differ between the two groups.
    CONCLUSIONS: This is the largest cross-sectional study to demonstrate an association between HP positivity and worse PD motor severity.
    KEYWORDS: Gastrointestinal dysfunction; Helicobacter pylori; Parkinson's disease
    Matched MeSH terms: Statistics, Nonparametric
  20. Phan K, Kim KW, Hashim JH
    Environ Res, 2014 Nov;135:37-41.
    PMID: 25262072 DOI: 10.1016/j.envres.2014.07.031
    We investigated relationship of arsenicosis symptoms with total blood arsenic (BAs) and serum albumin (SAlb) of residents in the Mekong River basin of Cambodia. We found that arsenicosis patients had significantly higher BAs and lower SAlb than asymptomatic villagers (Mann-Whitney U test, p<0.01). Arsenicosis symptoms were found to be 76.4% (1.764 times) more likely to develop among individuals having an SAlb≤44.3gL(-1) than among those who had an SAlb>44.3gL(-1) (OR=1.764, 95% CI=0.999-3.114) and 117.6% (2.176 times) as likely to occur among those with BAs>5.73µgL(-1) than for those having BAs≤5.73µgL(-1) (OR=2.176, 95% CI=1.223-3.872). Furthermore, a significant negative correlation was also found between BAs and SAlb (rs (199)=-0.354, p<0.0001). As such, this study suggests that people with low SAlb and/or high BAs are likely to rapidly develop arsenicosis symptoms.
    Matched MeSH terms: Statistics, Nonparametric
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