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  1. Rates of hospital admissions for primary angle closure glaucoma among Chinese, Malays, and Indians in Singapore
    Wong TY, Foster PJ, Seah SK, Chew PT
    Br J Ophthalmol, 2000 Sep;84(9):990-2.
    PMID: 10966951
    AIM: To estimate the rates of hospital admissions for primary angle closure glaucoma (PACG) in Chinese, Malays, and Indians in Singapore

    METHODS: A population-wide hospital discharge database in Singapore was used to identify all hospital admissions with a primary discharge diagnosis of PACG (International Classification of Disease-CM code: 365.2). The Singapore census was used for denominator data.

    RESULTS: Between 1993 and 1997 there were 894 hospital admissions for PACG. The mean annual rate of PACG admissions was 11.1 per 100 000 (95% confidence interval (CI), 10.4, 11.8) among people aged 30 years and over. The annual rate was highest for Chinese (age and sex adjusted rate: 12.2 per 100 000), which was twice that of Malays (6.0 per 100 000) and Indians (6.3 per 100 000). Females had two times higher rates than males in all three races (age adjusted relative risk: 2.0, 95% CI: 1.7, 2.3).

    CONCLUSION: Malay and Indian people had identical rates of hospital admissions for PACG, which were only half the rates compared with Chinese.

    Matched MeSH terms: India/ethnology
  2. Awareness of tardive dyskinesia in Asian patients with schizophrenia
    Chong SA, Remington G, Mahendran R, Chua HC
    J Clin Psychopharmacol, 2001 Apr;21(2):235-7.
    PMID: 11270922
    While ethnocultural differences in risk of tardive dyskinesia (TD) have been suggested, no previous studies have examined whether this factor also plays a role in lack of awareness of TD. This study examined this question in an Asian population with schizophrenia. Six hundred seven patients in a state mental hospital in Singapore were assessed using the Abnormal Involuntary Movement Scale (AIMS) and the Simpson-Angus Rating Scale. Of the 607 patients, 242 (39.9%) met criteria for TD, and 163 (67.4%) patients were not aware of the presence of TD. No significant differences in terms of age, gender, and duration of illness were found between those aware of their TD and those not aware. Daily neuroleptic doses and scores for the AIMS and Simpson-Angus Rating Scale were significantly different, although after logistic regression, only the Simpson-Angus Rating Scale scores remained significant. The finding that a large proportion of our patients lacked awareness of their TD is consistent with other reports in the West and provides evidence that this feature is characteristic of the illness rather than of a specific ethnocultural group. We found an association between lack of awareness and greater severity of extrapyramidal symptoms (EPS), suggesting that there may be a subtype of TD in which lack of awareness and greater vulnerability of developing EPS are features.
    Matched MeSH terms: India/ethnology
  3. Patterns of psoriatic arthritis in Orientals
    Thumboo J, Tham SN, Tay YK, Chee T, Mow B, Chia HP, et al.
    J Rheumatol, 1997 Oct;24(10):1949-53.
    PMID: 9330937
    OBJECTIVE: To determine the clinical features of psoriatic arthritis (PsA) in a multiethnic Oriental population and to study the effect of ethnicity on disease patterns.
    METHODS: A retrospective study of 80 patients with PsA seen at either a rheumatology or dermatology referral center. Patients and case records were reviewed and data abstracted according to a standard protocol. Eighty consecutive patients with psoriasis without PsA seen at the dermatology center were recruited as controls.
    RESULTS: Asymmetric polyarthritis developing in the 4th decade with an equal male to female ratio was the commonest pattern of arthritis among Chinese, Indians, and Malays. Clinically apparent lumbar spondylitis was significantly more common in Indians than Chinese (10/11 vs 11/20, respectively; p = 0.046), although the prevalence of lumbar spondylitis was similar in all ethnic groups. Eighty-nine percent of subjects required nonsteroidal antiinflammatory drugs and 51% required disease modifying antirheumatic drugs at some time for control of joint disease. PsA was significantly more common among Indians compared to the ethnic distribution of the Singapore population (p < 0.000001). Multiple logistic regression identified Indian ethnicity as a risk factor for the development of PsA (OR 2.39, 95% confidence interval 1.02 to 5.60).
    CONCLUSION: The commonest pattern of PsA in all ethnic groups was asymmetric polyarthritis. Ethnicity affected the development and presentation of PsA in our series: Indians with psoriasis had double the risk of developing PsA compared to Chinese with psoriasis, and lumbar spondylitis when present in Chinese subjects was asymptomatic in 45%, being detectable only on radiological examination.
    Matched MeSH terms: India/ethnology
  4. Fulltext Does religious affiliation influence glycaemic control in primary care patients with type 2 diabetes mellitus?
    Chew BH, Khoo EM, Chia YC
    Ment Health Fam Med, 2011 Mar;8(1):21-8.
    PMID: 22479289
    Background To determine the relationships between religiosity, religions and glycaemic control of type 2 diabetes mellitus (T2D).Methods This is a cross-sectional study conducted at an urban, university-based, teaching outpatient clinic. Religiosity was assessed with the Beliefs and Values Scale (BV), which contains 20 items each with a Likert scale of five possible responses. The range of scores is 0 to 80, with a higher score indicating stronger religious belief. Glycaemic control was taken as the mean value of the latest three fasting plasma glucose (FPG) levels and HbA1c readings documented in each patient's case records.Results A total of 212 patients participated (a response rate of 79%). Two-thirds were female, mean age was 62.7 (SD 10.8) years and mean duration of T2D was 11.7 (SD 6.7) years. The mean BV score was 57.4 (SD 10.97, CI 55.9, 59.0). Religiosity had a negative correlation with lower FPG (r = -0.15, p = 0.041) but no such correlation was found with HbA1c. Moslem religiosity had a significant negative correlation with HbA1c (r = -0.34, p = 0.007, n = 61) even after controlling for covariates. Christians and non-religious group had significantly lower mean rank HbA1c than other religions (p = 0.042).Conclusions Those with higher religiosity amongst the Moslem population had significantly better glycaemic control. Patients who had church-going religions had better glycaemic control compared with those of other religions.

    Study site: UMMC, a university based primary care clinic
    Matched MeSH terms: India/ethnology
  5. Fulltext Mental health literacy towards depression among non-medical students at a Malaysian university
    Khan TM, Sulaiman SA, Hassali MA
    Ment Health Fam Med, 2010 Mar;7(1):27-35.
    PMID: 22477920
    Background. The aim of the present study was to evaluate the knowledge and perception of depression among students of University Sains Malaysia (USM), in Penang, Peninsular Malaysia.
    Method. Face-to-face interviews were conducted using a pre-validated 21-item questionnaire among students at USM.
    Results. A total of 500 respondents participated in the survey comprising 24.6% (n=123) males and 75.4% (n=377) females. Half (50.0%, n=250) were Malays, followed by Chinese (44.0%, n=220) and Indians (6.0%, n=30). Whilst exploring the respondents' knowledge of the symptoms of depression, it was found that Chinese females had a comparatively better knowledge (P=0.058) of the symptoms of depression in comparison with Malays and Indians. Overall, social issues were attributed as the possible cause of depression. A cursory knowledge level was observed regarding medication for depression. Female students were more inclined towards the use of alternative and traditional medicines. However, with regard to seeking professional help, consultation with a psychiatrist was preferred by the majority.
    Conclusion. Overall, a moderate level of knowledge about the symptoms of depression and a cursory knowledge of its therapy were observed. Those with personal experience of depression had better knowledge of the symptoms and therapy. Alternative treatments and traditional medicines were also favoured. There is a risk that this may affect the ability of Malaysian youths to seek evidence-based mental health care.
    Matched MeSH terms: India/ethnology
  6. Fulltext DSM-IV "criterion A" schizophrenia symptoms across ethnically different populations: evidence for differing psychotic symptom content or structural organization?
    McLean D, Thara R, John S, Barrett R, Loa P, McGrath J, et al.
    Cult Med Psychiatry, 2014 Sep;38(3):408-26.
    PMID: 24981830 DOI: 10.1007/s11013-014-9385-8
    There is significant variation in the expression of schizophrenia across ethnically different populations, and the optimal structural and diagnostic representation of schizophrenia are contested. We contrasted both lifetime frequencies of DSM-IV criterion A (the core symptom criterion of the internationally recognized DSM classification system) symptoms and types/content of delusions and hallucinations in transethnic schizophrenia populations from Australia (n = 776), India (n = 504) and Sarawak, Malaysia (n = 259), to elucidate clinical heterogeneity. Differences in both criterion A symptom composition and symptom content were apparent. Indian individuals with schizophrenia reported negative symptoms more frequently than other sites, whereas individuals from Sarawak reported disorganized symptoms more frequently. Delusions of control and thought broadcast, insertion, or withdrawal were less frequent in Sarawak than Australia. Curiously, a subgroup of 20 Indian individuals with schizophrenia reported no lifetime delusions or hallucinations. These findings potentially challenge the long-held view in psychiatry that schizophrenia is fundamentally similar across cultural groups, with differences in only the content of psychotic symptoms, but equivalence in structural form.
    Matched MeSH terms: India/ethnology
  7. Fulltext Carica papaya leaves juice significantly accelerates the rate of increase in platelet count among patients with dengue fever and dengue haemorrhagic fever
    Subenthiran S, Choon TC, Cheong KC, Thayan R, Teck MB, Muniandy PK, et al.
    Evid Based Complement Alternat Med, 2013;2013:616737.
    PMID: 23662145 DOI: 10.1155/2013/616737
    The study was conducted to investigate the platelet increasing property of Carica papaya leaves juice (CPLJ) in patients with dengue fever (DF). An open labeled randomized controlled trial was carried out on 228 patients with DF and dengue haemorrhagic fever (DHF). Approximately half the patients received the juice, for 3 consecutive days while the others remained as controls and received the standard management. Their full blood count was monitored 8 hours for 48 hours. Gene expression studies were conducted on the ALOX 12 and PTAFR genes. The mean increase in platelet counts were compared in both groups using repeated measure ANCOVA. There was a significant increase in mean platelet count observed in the intervention group (P < 0.001) but not in the control group 40 hours since the first dose of CPLJ. Comparison of mean platelet count between intervention and control group showed that mean platelet count in intervention group was significantly higher than control group after 40 and 48 hours of admission (P < 0.01). The ALOX 12 (FC  =  15.00) and PTAFR (FC  =  13.42) genes were highly expressed among those on the juice. It was concluded that CPLJ does significantly increase the platelet count in patients with DF and DHF.
    Matched MeSH terms: India/ethnology
  8. Epidemiological aspects of an outbreak of dengue fever/dengue haemorrhagic fever in Singapore
    Goh KT, Ng SK, Chan YC, Lim SJ, Chua EC
    Southeast Asian J Trop Med Public Health, 1987 Sep;18(3):295-302.
    PMID: 3433161
    A nation-wide outbreak of 260 cases of DF/DHF with 1 death occurred in Singapore from Apr-Sept 1986. The outbreak originated from 3 separate foci of transmission at the western, south-eastern and north-eastern parts of the island and then spread to other dengue receptive urban and suburban areas. The morbidity rate was highest in young male Chinese adults between 15 and 24 years of age. The outbreak was rapidly brought under control through destruction of adult Aedes mosquitoes, surveys and source reduction of larval breeding habitats, health education and to a certain extent law enforcement. The Aedes population was high in the main foci of transmission although the overall house index was only 1.1. Other factors which could have precipitated the outbreak included waning herd immunity of the human population and continuous introduction of dengue virus into the country.
    Matched MeSH terms: India/ethnology
  9. Haemaglobin Bart's in cord blood of Malaysians
    George E, Selamah G
    Southeast Asian J Trop Med Public Health, 1981 Mar;12(1):87-9.
    PMID: 6894805
    In the newborn the diagnosis of alpha thalassaemia trait is easier because of the presence of haemoglobin Bart's (Hb Bart's). Alpha thalassaemia is common in Southeast Asia. Malaysians are composed of the ethnic groups Malays, Chinese, Indians and Eurasians. Hb Bart's itself is not a simple inherited character but arises from genetically determined imbalance in the biosynthesis of alpha and non alpha chains. 58% of the cord blood samples tested showed raised levels of Hb Bart's. In the Chinese the most common cause of hereditary haemolytic anaemia is haemoglobin H and hydrops foetalis is seen. The rare occurrence of these syndromes in the Malays and Indians in spite of the presence of Hb Bart's indicates an altered expression of the alpha thalassaemia gene in these populations.
    Matched MeSH terms: India/ethnology
  10. Experience with gastroscopy in the diagnosis of stomach cancer in Malaysia
    Paramarajah S
    Southeast Asian J Trop Med Public Health, 1985 Dec;16(4):609-12.
    PMID: 3835705
    Two hundred and eight patients underwent oesophago-gastro-duodenoscopy within the first year of its introduction at a peripheral general hospital in Malaysia. There were 7 cases of gastric cancer, proved histologically, as compared to 38 cases of benign gastric ulcer. The frequencies of the common symptoms and signs in the two conditions are compared. Of the 3 main ethnic groups, Malays, Chinese and Indians, the incidence of gastric ulcer was highest among the Chinese, next the Indians; however, the number of gastric cancers were too few for analysis of its racial incidence.
    Matched MeSH terms: India/ethnology
  11. Squamous cell carcinoma of the oral mucosa in Malaysia--any change?
    Ng KH, Siar CH, Ramanathan K, Murugasu P, Chelvanayagam PI
    Southeast Asian J Trop Med Public Health, 1985 Dec;16(4):602-6.
    PMID: 3835704
    The prevalence rate of 749 cases of oral squamous cell carcinomas (SCC) recorded between 1978-1984 was studied. Results showed that the Indians formed the dominant group (63.8%) followed by the Malays (19.6%) and Chinese (16.6%). The peak incidences were generally located between the sixth and eighth decades. Only in the Chinese group a male preponderance was noted. In the Indians, the buccal mucosa was the most prevalent site; in the Malays and Chinese males, the gingiva and alveolus; and the Chinese female, the tongue. In all three groups, the well-differentiated SCC was the commonest type and the poorly differentiated least common.
    Matched MeSH terms: India/ethnology
  12. Blood lead levels of a population group not occupationally exposed to lead in Singapore
    Neo KS, Goh KT, Sam CT
    Southeast Asian J Trop Med Public Health, 2000 Jun;31(2):295-300.
    PMID: 11127329
    A survey was conducted between 1995 and 1997 to assess the impact of introduction of unleaded petrol and other public health measures on the blood lead level of the population. The geometric mean blood lead level of 269 government employees as determined by graphite furnace atomic absorption spectroscopy, was 66.0 microg/l, much lower than that recorded before introduction of lead-free petrol. Using multiple regression analysis, factors significantly associated with blood lead levels were: exposure to traffic, age (>50 years) and active smoking. Passive smoking, exposure to recent paint work, consumption of alcohol and traditional medicine were found not to be significantly associated with the blood lead level.
    Matched MeSH terms: India/ethnology
  13. Current attitudes of the society towards leprosy and the changing role of the National Leprosy Control Centre, Sungai Buloh, Malaysia
    Kandiah N, Mohd Riji H, Palan VT
    Southeast Asian J Trop Med Public Health, 1978 Mar;9(1):103-11.
    PMID: 705411
    Matched MeSH terms: India/ethnology
  14. Fulltext Anti-carbamylated protein antibodies in rheumatoid arthritis patients and their association with rheumatoid factor
    Othman MA, Ghazali WSW, Hamid WZWA, Wong KK, Yahya NK
    Saudi Med J, 2017 Sep;38(9):934-941.
    PMID: 28889152 DOI: 10.15537/smj.2017.9.20841
    OBJECTIVES: To evaluate levels of anti-carbamylated protein (anti-CarP) antibodies in rheumatoid arthritis (RA) patients and to determine their association with serological parameters and disease activity. Methods: A cross-sectional study involving 105 multiethnic RA patients (48 rheumatoid factor [RF]-positive and 57 RF-negative patients) was conducted at Hospital Universiti Sains Malaysia, Kelantan, Malaysia, from January 2015 to February 2016. Fifty healthy controls (HCs) were included. C-reactive protein (CRP), RF, anti-cyclic citrullinated peptide (anti-CCP) and anti-CarP antibodies were measured. A health assessment questionnaire (HAQ) was administered to the study participants and 28-joint Disease Activity Score (DAS28) were obtained. Results: The level of anti-CarP antibodies was significantly increased in the RA patients compared with HCs (p=0.042). The presence of anti-CarP antibodies was significantly associated with RF (p=0.019) and the HAQ (p=0.010). A significant association between the presence of anti-CarP antibodies and the DAS28 was not found (p=0.632). Conclusion: Our study provides further evidence that the level of anti-CarP antibodies is significantly elevated in RA patients.

    Study site: Rheumatology clinic, Hospital Universiti Sains Malaysia
    Matched MeSH terms: India/ethnology
  15. Fulltext Use of complementary and alternative medicine among asthmatic patients in primary care clinics in Malaysia
    Alshagga MA, Al-Dubai SA, Muhamad Faiq SS, Yusuf AA
    Ann Thorac Med, 2011 Jul;6(3):115-9.
    PMID: 21760841 DOI: 10.4103/1817-1737.82438
    OBJECTIVES: This study aimed to determine the knowledge about asthma and the prevalence, disclosure and evaluation of the use of complementary and alternative medicine (CAM) among asthmatic patients.
    METHODS: This cross-sectional study was conducted on 95 patients diagnosed with asthma in a primary healthcare centre in Kuala Lumpur, Malaysia using a self-administered questionnaire.
    RESULTS: Ninety-five patients with a mean age of 47.06 years (±12.8) participated, the majority were female (66.7%), Malay (72.6%). The prevalence of ever-CAM use was 61.1%. The non-ever-CAM users' mean age was 51±13.9 years while the ever-CAM users' mean age was 44.5 ±11.5 years (P = 0.021). Sixty-three females (66.8%) used CAM compared to 14 males (43.8%) (P = 0.014). Thirty-six (62.1%) CAM users had not discussed use of CAM with their doctors. The main reason of non-disclosure was the doctor never asked (55.6%), and the main sources of information about CAM were family and relatives (46.6%). There was no significant difference between use of CAM and knowledge about asthma. The majority of asthmatic patients used rubs (39%), foods (16.9%) and herbs (16.9%). About 76% of asthmatic patients perceived CAM as good for their disease management. On linear multiple regression, Malay race (P = 0.026) and female gender (P = 0.006) were significant predictors of CAM use.
    CONCLUSION: Use of CAM among asthmatic patients is relatively high, particularly among females. The majority of asthmatic patients valued the use of CAM. Non-disclosure was high in this study. Health education of asthmatic patients about CAM is highly recommended.
    KEYWORDS: Asthma; Malaysia; complementary and alternative medicine; disclosure
    Study site: Primary care clinic, Hospital Kuala Lumpur, Malaysia
    Matched MeSH terms: India/ethnology
  16. Fatty acid composition of breast milk from three racial groups from Penang, Malaysia
    Kneebone GM, Kneebone R, Gibson RA
    Am J Clin Nutr, 1985 Apr;41(4):765-9.
    PMID: 3984928 DOI: 10.1093/ajcn/41.4.765
    The fatty acid composition of samples of breast milk obtained from 51 mothers (26 Malay, 15 Chinese, 10 Indian) residing in Penang, Malaysia was determined by gas chromatography. Despite living in close physical proximity the mothers from the three racial groups showed distinct cultural differences in dietary intake. These differences were reflected in differences in the fatty acid composition of breast milk samples. The milk of Chinese mothers was generally less saturated (41%) than that of Malay and Indian mothers (52 and 50% respectively). The milk of Chinese mothers was also richer in linoleic acid (17%) than that of Malay and Indian mothers (9% and 11% respectively). Overall the level of individual fatty acids fell within the range of values reported for Western mothers on well nourished diets and pointed to breast milk of high standard despite large variations in the diet of Malaysian mothers.
    Matched MeSH terms: India/ethnology
  17. Restriction fragment length polymorphism (RFLP) at the DNF15S2 locus in three ethnic groups of Singapore
    Saha N, Tay JS, Carritt B
    Hum Hered, 1990;40(4):250-2.
    PMID: 1974242
    Three different ethnic groups from Singapore comprising 79 Chinese, 34 Malays and 23 Indians of Dravidian origin, were investigated for the HindIII RFLP at the DNF15S2 locus. The three populations had very similar allele frequencies and the frequency of rarer(S) allele was significantly (p less than 0.01) lower (0.21) in these ethnic groups compared to that in Caucasians (0.41). The phenotypic distributions were at Hardy-Weinberg equilibrium.
    Matched MeSH terms: India/ethnology
  18. Tissue-type plasminogen activator restriction fragment length polymorphism in the Chinese, Indians and Malays of Singapore
    Saha N
    Hum Hered, 1989;39(6):364-6.
    PMID: 2575596
    A total of 215 subjects comprising 95 Chinese, 66 Malays and 54 Indians were investigated for restriction fragment length polymorphisms of the tissue-type plasminogen activator (PLAT) gene at an EcoRI site using the probe ptPA-4352. The phenotypic distribution showed a good agreement with the Hardy-Weinberg equilibrium. The gene frequencies of PLAT*1 were found to be 0.47 in the Chinese, 0.52 in the Malays and 0.41 in South Indians.
    Matched MeSH terms: India/ethnology
  19. Mitochondrial malic enzyme polymorphism among different ethnic groups in Singapore
    Bhattacharyya SP, Saha N
    Hum Hered, 1984;34(6):393-5.
    PMID: 6510935
    Mitochondrial malic enzyme (EC 1.1.1.40; MEM) was examined by starch-gel electrophoresis on post-mortem brain samples from 453 unrelated subjects of either sex comprising 161 Chinese, 150 Indians and 113 Malays and 29 from other racial groups. The estimated gene frequencies of MEM1 were found to be 0.7111, 0.6100 and 0.6769 in Chinese, Indians and Malays, respectively. No significant deviation from the Hardy-Weinberg equilibrium was observed in Chinese and Malays. However, there was a significant deviation with a deficiency of heterozygotes among Indians. MES did not show any polymorphism.
    Matched MeSH terms: India/ethnology
  20. Saliva acid phosphatases in Malaysians: report of a new variant
    Tan SG, Teng YS
    Hum Hered, 1979;29(1):61-3.
    PMID: 761925
    A total of 640 Malaysians, 355 of Malay, 155 of Chinese, and 130 of Indian ancestries have been examined for saliva acid phosphatases. The three ethnic groups were polymorphic for saliva acid phosphatase A (Sap-A) and saliva acid phosphatase (B (Sap-B). The gene frequencies were: Sap-A, Malays: A = 0.469, A' = 0.001, A degrees = 0.530; Chinese: A = 0.436, A' = 0.010, A degrees = 0.555; Indians: A = 0.533, A' = 0.012, A degrees = 0.456. For Sap-B, Malays: B = 0.925, B degrees = 0.075; Chinese: B = 0.797, B1 = 0.016, B degrees = 0.187; Indians: B 0.752, B degrees = 0.248. Phenotype ABB1 is described.
    Matched MeSH terms: India/ethnology
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