Displaying publications 1 - 20 of 2211 in total

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  1. Metabolic, immunological and clinical characteristics in newly diagnosed Asian diabetes patients aged 12-40 years
    Pan CY, So WY, Khalid BA, Mohan V, Thai AC, Zimmet P, et al.
    Diabet Med, 2004 Sep;21(9):1007-13.
    PMID: 15317606 DOI: 10.1111/j.1464-5491.2004.01287.x
    AIM: To describe the clinical, biochemical and immunological characteristics of young-onset diabetes in Asia.
    METHODS: Clinical, biochemical and immunological variables were assessed in 919 newly diagnosed (duration less than 12 months) young onset Asian diabetic patients aged between 12 and 40 years. The subjects constituted 57% Chinese, 29% Indians and 14% Malays, recruited from diabetes centres in China, Hong Kong, India, Malaysia and Singapore.
    RESULTS: The mean age (+/- sd) was 31.6 +/- 7.2 years, with the majority (66%) in the 31-40 years age group. Mean body mass index (BMI) (+/- sd) was 25.3 +/- 5.0 kg/m2 with 47% exceeding the suggested Asian cut-off point for obesity (BMI > or = 25). Ethnic difference in clinical characteristics included BMI, blood pressure, mode of treatment and degree of insulin resistance. Most patients had a clinical presentation of Type 2 diabetes. About 10% had a classical combination of ketotic presentation, presence of autoimmune-markers and documented insulin deficiency indicative of Type 1 diabetes. Forty-eight percent were receiving oral hypoglycaemic agents (OHAs) while 31% were on diet only, 18% were receiving insulin and 2% were on a combination of insulin and OHA.
    CONCLUSION: Young onset diabetes patients in Asia represent a heterogeneous group in terms of their clinical and biochemical characteristics and classical Type 1 diabetes is relatively uncommon. The 5-year follow up study will determine the progress of these patients and help to clarify the natural history.
    Matched MeSH terms: China/epidemiology
  2. Fulltext The solar end game: bibliometric analysis, research and development evolution, and patent activity of hybrid photovoltaic/thermal-phase change material
    Abdul Jabar MH, Srivastava R, Abdul Manaf N, Thangalazhy-Gopakumar S, Ab Latif FE, Luu MT, et al.
    Environ Sci Pollut Res Int, 2023 Nov;30(55):116934-116951.
    PMID: 37221293 DOI: 10.1007/s11356-023-27641-7
    Solar photovoltaic-thermal hybrid with phase change material (PVT-PCM) emerges as an intelligent game changer to stimulate the clean, reliable, and affordable renewable energy technology. This PVT-PCM technology can be manipulated into generating both electricity and thermal energy that feature its practicality for residential and industrial applications. Hybridized of PCM into PVT design adds value to existing architecture with its capability to store excess heat that can be used during insufficient solar irradiation. Present work gives overview of the PVT-PCM system on technology innovation toward commercialization (viz, solar end game) subjected to bibliometric analysis, research and development evolution, and patent activity. A consolidation of these review articles was decluttered to focus on the performance and efficiency of PVT-PCM technology based on the fact that commercialization is ready once the technology is completed and qualified (at technology readiness level, TRL: 8). Economic review was conducted to understand the feasibility of the existing solar technologies and how it affects the PVT-PCM market price. Based on the contemporary findings, promising performance of PVT-PCM technology has underpinned its feasibility and technology readiness. China has predominant local and international framework and expected to be the PVT-PCM technology trendsetter in the next years through its strong international collaborative projects and pioneer in PVT-PCM patent filing. This present work underscores the solar end-game strategy and recommendation to create a path forward to achieve clean energy transition. Though, as to the date of submission of this article, no industry  has found to manufacture/sell this hybrid technology in the market.
    Matched MeSH terms: China
  3. Fulltext Vasectomy--experience in a Malaysian hospital
    Sivanesaratnam V, Abd Rahman A
    Med J Malaysia, 1984 Mar;39(1):69-72.
    PMID: 6513843
    A review of our experience of 916 cases ofpartial bilateral vasectomy performed under local anaesthesia at the University Hospital, Kuala Lumpur during the
    period between January 1971 and June 1980 is presented. Minor post-operative complications occurred in 5.8% of cases with a low post-operative infection rate of 1.2%. In 35% ofpatients, persistence of non-motile sperms in the semen were seen after at least ten ejaculations in each instance. In four of these cases non-motile sperms continued to persist into the sixth month of follow-up even after at least 50 ejaculations in each instance.
    Matched MeSH terms: China/ethnology
  4. Intestinal parasites, eosinophilia, haemoglobin and gamma globulin of Malay, Chinese and Indian schoolchildren
    Bisseru B, Abdul Aziz bin Ahmad
    Med J Malaya, 1970 Sep;25(1):29-33.
    PMID: 4098546
    Matched MeSH terms: China
  5. Activated protein C resistance: a study among 60 thromboembolic patients in the Singapore population
    Lim LC, Tan HH, Lee LH, Tien SL, Abdul Ghafar A
    Ann Acad Med Singap, 1999 Mar;28(2):252-5.
    PMID: 10497677
    Resistance to activated protein C (APC-R) is the commonest inherited cause of thrombosis among Caucasians. Few studies have been carried out on its prevalence in Asians. We conducted a prospective study on 60 patients with thromboembolism to determine its prevalence in our local population. The Factor V Leiden (VaQ506) mutation associated with this condition was detected by amplification of the Factor V gene by polymerase chain reaction (PCR) and digestion of the fragment with Mnl I. Three patients were found to be heterozygous for this mutation. None of the 3 patients had other concomitant hypercoagulable states. In addition, we studied the prevalence of this condition in Malays which was found to be 0.5%. Our study suggests that the incidence of APC-R is much lower here compared to the West.
    Matched MeSH terms: China/ethnology
  6. Fulltext Exploring the effect of industrial agglomeration on income inequality in China
    Zhang S, Bani Y, Izah Selamat A, Abdul Ghani J
    PLoS One, 2023;18(6):e0287910.
    PMID: 37384722 DOI: 10.1371/journal.pone.0287910
    Income inequality is a good indicator reflecting the quality of people's livelihood. There are many studies on the determinants of income inequality. However, few studies have been conducted on the impacts of industrial agglomeration on income inequality and their spatial correlation. The goal of this paper is to investigate the impact of China's industrial agglomeration on income inequality from a spatial perspective. Using data on China's 31 provinces from 2003 to 2020 and the spatial panel Durbin model, our results show that industrial agglomeration and income inequality present an inverted "U-shape" relationship, proving that they are the non-linear change. As the degree of industrial agglomeration increases, income inequality will rise, after it reaches a certain value, income inequality will drop. Therefore, Chinese government and enterprises had better pay attention to the spatial distribution of industrial agglomeration, thereby reducing China's regional income inequality.
    Matched MeSH terms: China
  7. Permanent dentition occlusion in Chinese, Indian and Malay groups in Malaysia
    Woon KC, Thong YL, Abdul Kadir R
    Aust Orthod J, 1989 Mar;11(1):45-8.
    PMID: 2640092
    This survey outlines the proportion of the various features of occlusion in the permanent dentition of the three ethnic races, Chinese, Malay and Indian in Malaysia. The mean age of the high school children surveyed was 16.4 years. The Chinese and Malays had almost similar distribution of the different types of occlusion. There was a significantly higher prevalence of Class III occlusion among the Chinese and Malays as compared to the Indians. In addition, an edge to edge incisor relationship seemed to be a norm in the Chinese (54%) and Malays (50%) whilst the overjet of between 2-4 mm and the overbite of between 1/3 to 2/3 was more normal to Indians (50%). A crowded dentition was also a norm for the three races.
    Matched MeSH terms: China/ethnology
  8. Fulltext Postpartum dietary intakes and food taboos among chinese women attending maternal and child health clinics and Maternity Hospital, Kuala Lumpur
    Poh BK, Wong YP, Abdul Karim N
    Malays J Nutr, 2005;11(1):1-21-.
    MyJurnal
    Traditionally, Chinese women adhere to special dietary practices during the month following childbirth. This paper discusses the dietary practices and food taboos practised by Chinese women in Kuala Lumpur. A total of 134 Chinese mothers of children below one year were recruited from three Maternal and Child Health Clinics and Maternity Hospital, Kuala Lumpur. Questionnaires and in-depth interviews were used to obtain information on socioeconomic background, dietary practices, food taboos and cooking methods during the confinement period. Food intake was assessed by multiple 24-hour dietary recall among 34 mothers during their confinement month (zuo yuezi). Body weight and height were measured, and body mass index calculated. Majority of the respondents had secondary school education (77.6%), household income between RM1001 and RM3000 (64%), and were homemakers (48.5%). The women were aged 18-39 years, and 68% were of normal weight. Most women (82%) practised 30 days of confinement, during which they adhered to special dietary practices. The diet was directed at attaining yin-yang (cold-hot) balance, whereby “hot” foods were most commonly used and “cold” foods were avoided. Ginger, rice wine and sesame seed oil, considered “hot” foods, were used in large amounts in the cooking. Rice, chicken and pork were also consumed in large amounts. Most vegetables and fruits were considered “cold” and were prohibited during confinement. Most mothers drank specially-prepared teas boiled from Chinese herbs. Mean energy intake was 19% below RNI, while mean protein intake was 93% above RNI (NCCFN, 2005). Mean intakes of thiamin, riboflavin and niacin were above 75% of RNI, while vitamins A and C were at half of RNI or less. Mean iron and calcium intakes were at 222% and 67% of RNI, respectively. It is concluded that most Chinese women in Kuala Lumpur do conform to special dietary practices during zuo yuezi.

    Study site: three Maternal and Child Health Clinics and Maternity Hospital, Kuala Lumpur
    Matched MeSH terms: China/ethnology
  9. Fulltext Spatial distribution of COVID-19 cases, epidemic spread rate, spatial pattern, and its correlation with meteorological factors during the first to the second waves
    Rendana M, Idris WMR, Abdul Rahim S
    J Infect Public Health, 2021 Oct;14(10):1340-1348.
    PMID: 34301503 DOI: 10.1016/j.jiph.2021.07.010
    Currently, many countries all over the world are facing the second wave of COVID-19. Therefore, this study aims to analyze the spatial distribution of COVID-19 cases, epidemic spread rate, spatial pattern during the first to the second waves in the South Sumatra Province of Indonesia. This study used the geographical information system (GIS) software to map the spatial distribution of COVID-19 cases and epidemic spread rate. The spatial autocorrelation of the COVID-19 cases was carried out using Moran's I, while the Pearson correlation was used to examining the relationship between meteorological factors and the epidemic spread rate. Most infected areas and the direction of virus spread were predicted using wind rose analysis. The results revealed that the epidemic rapidly spread from August 1 to December 1, 2020. The highest epidemic spread rate was observed in the Palembang district and in its peripheral areas (dense urban areas), while the lowest spread rate was found in the eastern and southern parts of South Sumatra Province (remote areas). The spatial correlation characteristic of the epidemic distribution exhibited a negative correlation and random distribution. Air temperature, wind speed, and precipitation have contributed to a significant impact on the high epidemic spread rate in the second wave. In summary, this study offers new insight for arranging control and prevention strategies against the potential of second wave strike.
    Matched MeSH terms: China
  10. Fulltext Coronary risk factors among Malaysian male executives in two urban areas
    Teo PH, Chong YH, Abdul Rahman MZ
    Med J Malaysia, 1988 Jun;43(2):125-33.
    PMID: 3237128
    Matched MeSH terms: China
  11. Fulltext Anthropometry and dietary intake of type 2 diabetes patients attending an outpatient clinic
    Moy FM, Abdul Rahman S
    Malays J Nutr, 2002 Mar;8(1):63-73.
    PMID: 22692440 MyJurnal
    A cross sectional study on Type 2 diabetes patients seeking treatment in the Primary Health Care outpatient clinic of the University Malaya Medical Centre, Kuala Lumpur was undertaken. Two hundred and thirty-three subjects participated. They were asked questions on biodata and dietary intake using face-to-face interview techniques. Dietary intake was assessed using the 24-hour dietary recall. Anthropometric measurements including weight and height were taken and Body Mass Index (BMI) was computed to establish the extent of obesity. Of the 196 subjects, 66.8% were overweight (BMI ≥25 kg/m2) with 15.8% obese (BMI ≥30 kg/m2). The mean BMI of males and females were 25.9±4.3 kg/m2 and 27.2±4.7 kg/m2 respectively. The findings from the dietary survey showed that the mean energy intake of the subjects only achieved about 72% of the Recommended Daily Allowance (RDA) for Malaysia while protein intake of all subjects was adequate. The macronutreint contribution to the total calorie was consistent with the recommendation of the Malaysian Diabetic Association for a healthy diet for diabetes patients. The male subjects were found to meet the RDA requirements for all nutrients while the female subjects did not have sufficient intake of calcium, vitamin A and niacin. No consistent pattern in energy and nutrient intake was observed among different age groups. On the other hand, the Malay subjects seemed to have lower energy and all nutrient intake (except vitamin A and vitamin C) compared to the Chinese and Indian subjects. The Indian subjects seemed to have the highest intake of calcium compared to the others. Advice needs to be given to those who did not have adequate nutrient intake as well as those who need to reduce their weight.

    Study site: Primary health care clinic, University Malaya Medical Centre (UMMC)
    Matched MeSH terms: China/ethnology
  12. Reasons for seeking dental care in a Malaysian urban adult population: an analysis by sex and ethnic group
    Jaafar N, Abdul Razak I
    Community Dent Oral Epidemiol, 1988 Apr;16(2):75-8.
    PMID: 3162860
    Different groups of people will view and use modern dental services differently. This is determined by their traditional beliefs and cultural background. The aim of this study is to identify variations in utilization among adults in the three major ethnic groups in Malaysia. Dental records of 500 adults attending the University dental center were randomly selected and analyzed by sex and ethnic group. Results from this pilot study clearly indicate that different ethnic groups tend to use certain types of services more than others. Similarly, there is evidence of variation in the type of dental service preferred between males and females. The implications of these findings for dental health educators, program planners and further research is emphasized in order to promote a more positive pattern of utilization among the various ethnic groups.
    Matched MeSH terms: China/ethnology
  13. Toothbrushing effectiveness of a group of six-year-old uninstructed schoolchildren
    Abdul Razak I
    Dent J Malays, 1985 Apr;8(2):27-30.
    PMID: 3917002
    The main purpose of this study was to evaluate the effectiveness of toothbrushing in 124 six year-old uninstructed schoolchildren. The toothbrushing conditions were made to closely simulate the toothbrushing procedure carried out at home. The amount of plaque before and after toothbrushing was assessed using the Modified Personal Hygiene Performance Index. An overall reduction of 54.0 per cent in plaque score was observed following toothbrushing. This reduction was much more favourable than other reported studies using subjects of similar age group. However most of the plaque that remained following brushing were accumulated in the gingival areas. The highest prebrushing score and the least effective toothbrushing ability was observed among the Malay schoolchildren. The pre and postbrushing scores among the Chinese and Indians were comparable. There was no statistically significant difference in toothbrushing ability between boys and girls at this age. The children brushed their anterior teeth better than their posterior and the facial surfaces better than the lingual. The greatest percentage reduction in plaque score was observed in the occlusal/incisal areas with the gingival areas being the least accessible. The conclusions of this study points to the lack of manual dexterity of children of this age group to effectively brush their teeth and the need for proper parental supervision in assisting them to carry out the toothbrushing procedure.
    Matched MeSH terms: China/ethnology
  14. Fulltext Online learning success model for adults in open and distance education in Western China
    Yuebo L, Halili SH, Abdul Razak R
    PLoS One, 2024;19(2):e0297515.
    PMID: 38394309 DOI: 10.1371/journal.pone.0297515
    This study investigates the factors influencing online learning (OL) success among non-full-time adult students in open and distance education in Western China. To utilize a structural equation model with seven construction elements that combine the information system success (ISS) model and TPACK theory. Data from 245 participants were analyzed using PLS-SEM. Results reveal that system quality, service quality, and teachers' TPACK ability have varying degrees of positive impact on OL success. The main contribution of this study is its innovative combination of TPACK theory and the ISS Model, which has not been extensively explored in previous research. Additionally, this study emphasizes the significance of addressing the distinctive requisites and attributes of part-time adult learners engaged in online learning (OL). The findings of this study can help educational practitioners and policymakers create more effective and efficient OL environments that meet the needs of adult learners and bridge the gap between theory and practice.
    Matched MeSH terms: China
  15. Periodontal status of 16-year-old west Malaysian urban students
    Abdul-Kadir R
    Community Dent Oral Epidemiol, 1990 Dec;18(6):324.
    PMID: 2090388
    Matched MeSH terms: China/ethnology
  16. Relationship of maxillary incisors in complete dentures to the incisive papilla
    Isa ZM, Abdulhadi LM
    J Oral Sci, 2012;54(2):159-63.
    PMID: 22790408
    We investigated the relationship of the maxillary central incisors to the incisive papilla in wearers of complete dentures. First, image analyzer software was used to examine the relationship of the midpoint of the incisive papilla to the labial surface of the maxillary central incisors on occlusal photographs of 120 maxillary casts from dentate Malaysian adults. Then, an Alma denture gauge was used to identify the position of the labial surface of the maxillary central incisors in relation to the midpoint of the incisive papilla in complete dentures from 51 patients who requested replacement dentures at the Faculty of Dentistry, University of Malaya. The mean incisor distance to the incisive papilla in dentate adults was 9.59 ± 1.00 mm, while the mean incisor distance to the incisive papilla in complete dentures was 6.34 ± 1.87 mm. Thus, in our sample of edentulous patients, the anterior teeth in complete dentures were positioned approximately 3 mm closer to the incisive papilla, as compared with the position of the central incisors in natural dentition, and did not duplicate the position of the natural anterior teeth.
    Matched MeSH terms: China
  17. Fulltext Prevalence of family planning practices among women influenced by husband’s socio demography and decision making
    Mansor M, Oo SS, Abdullah KL
    Jurnal Sains Kesihatan Malaysia, 2015;13(2):45-51.
    MyJurnal
    Family planning is an important practice for women as it can help to improve financial and social status. Unwanted pregnancy has negative effects for husband and financial. However, couples married at a late age may not practice family planning because they want to have kids. The aims of this study were to determine the prevalence, factors associated with
    husband’s socio demography and decision making in family planning practices among women in reproductive age who attended a polyclinic in Serdang, Malaysia. A cross sectional study was conducted on 245 women with a systematic random sampling. Descriptive analysis, Fisher exact and Chi-square tests were conducted to identify the influence of husband’s socio demographic factors and decision making in family planning practices. The prevalence of family planning practices among married women was moderate (53.9%). Family planning practices among women showed significant relationship with the husband’s socio demography which were husband’s race (p = 0.018), religion (p = 0.008) and making decision in family planning (p = 0.002). The husband’s socio demography showed a significant relationship with the prevalence of the wife practicing family planning. This clearly indicates that the husband is the individual that influence the wife to use contraceptive method. Decision making in family planning by both the husband and wife is important in choosing to use contraceptive method. Health promotion in the concept of health education for male contraceptive method such as pamphlet and booklet is important to promote husband involvement in family planning.
    Study site: Klinik Kesihatan Seri Kembangan, Serdang, Selangor, Malaysia
    Matched MeSH terms: China/ethnology
  18. How to Reduce Employees' Turnover Intention from the Psychological Perspective: A Mediated Moderation Model
    Yan Z, Mansor ZD, Choo WC, Abdullah AR
    Psychol Res Behav Manag, 2021;14:185-197.
    PMID: 33633474 DOI: 10.2147/PRBM.S293839
    Background: The hospitality industry is deemed a great generator of global GDP and employment. However, high rates of voluntary turnover have gradually undermined global service organizations and brought huge losses to them. Nowadays, the hotel sector continues to be plagued by high turnover rates.

    Purpose: A research model investigating job attitudes (job satisfaction and organizational commitment) as mediators of the impact of psychological capital (PsyCap) on turnover intention and also examining position as a moderator between job attitudes and turnover intention was proposed and tested.

    Methods: This study collected data from 406 employees selected from four-star and five-star hotels in the southwest region of China. Online survey questionnaires and a purposive sampling technique were employed in this study. Structural equation modeling was utilized to evaluate the direct, mediating, and moderating effects.

    Results: The results showed that organizational commitment and job satisfaction fully mediated the association between PsyCap and turnover intention. Moreover, position played a moderating role on the effect of the aforementioned two job attitudes on turnover intention.

    Conclusion: The findings implied that hoteliers should focus on employees' PsyCap and job attitudes in order to mitigate serious turnover issues in the hotel sector in China. Besides, the fact that position resulted in disparity impacts in the formation of turnover intention was evidenced.

    Matched MeSH terms: China
  19. Liver cancer in Malaysia: epidemiology and clinical presentation in a multiracial Asian population
    Goh KL, Razlan H, Hartono JL, Qua CS, Yoong BK, Koh PS, et al.
    J Dig Dis, 2015 Mar;16(3):152-8.
    PMID: 25512092 DOI: 10.1111/1751-2980.12223
    Hepatocellular carcinoma (HCC) is an important cancer in Malaysia. This study aimed to determine the epidemiological characteristics and clinical presentations of patients in a multiracial population consisting of three major Asian races: Malays, Chinese and Indians.
    Matched MeSH terms: China/ethnology
  20. Fulltext Xanthogranulomatous pyelonephritis. A report of two cases
    Yaakub JA, Abdullah MM
    Med J Malaysia, 1990 Sep;45(3):263-6.
    PMID: 2152092
    Xanthogranulomatous pyelonephritis is a rare form of chronic pyelonephritis affecting adults and children. Two patients with the disease are reported.
    Matched MeSH terms: China/ethnology
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