Displaying publications 61 - 80 of 2470 in total

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  1. Ainoon O, Yu YH, Amir Muhriz AL, Boo NY, Cheong SK, Hamidah NH
    Hum Mutat, 2003 Jan;21(1):101.
    PMID: 12497642 DOI: 10.1002/humu.9103
    We performed DNA analysis using cord blood samples on 86 male Malay neonates diagnosed as G6PD deficiency in the National University of Malaysia Hospital by a combination of rapid PCR-based techniques, single-stranded conformation polymorphism analysis (SSCP) and DNA sequencing. We found 37.2% were 871G>A (G6PD Viangchan), 26.7% were nt 563 C>T (G6PD Mediterranean) and 15.1% were 487G>A (G6PD Mahidol) followed by 4.7% 1376G>T (G6PD Canton), 3.5% 383T>C (G6PD Vanua Lava), 3.5% 592C>T (G6PD Coimbra), 2.3% 1388G>A (G6PD Kaiping), 2.3% 1360C>T (G6PD Union), 2.3% 1003G>A (G6PD Chatham), 1.2% 131C>G (G6PD Orissa) and 1.2% 1361G>A (G6PD Andalus). Seventy-one (82.6%) of the 86 G6PD-deficient neonates had neonatal jaundice. Fifty seven (80%) of the 71 neonates with jaundice required phototherapy with only one neonate progressing to severe hyperbilirubinemia (serum bilirubin >340 micromol/l) requiring exchange transfusion. There was no significant difference in the incidence of neonatal jaundice, mean serum bilirubin level, mean age for peak serum bilirubin, percentage of babies requiring phototherapy and mean number of days of phototherapy between the three common variants. In conclusion, the molecular defects of Malay G6PD deficiency is heterogeneous and G6PD Viangchan, Mahidol and Mediterranean account for at least 80% of the cases. Our findings support the observation that G6PD Viangchan and Mahidol are common Southeast Asian variants. Their presence in the Malays suggests a common ancestral origin with the Cambodians, Laotians and Thais. Our findings together with other preliminary data on the presence of the Mediterranean variant in this region provide evidence of strong Arab influence in the Malay Archipelago.
    Matched MeSH terms: Glucosephosphate Dehydrogenase Deficiency/ethnology
  2. Ainoon O, Joyce J, Boo NY, Cheong SK, Hamidah NH
    Malays J Pathol, 1995 Dec;17(2):61-5.
    PMID: 8935127
    G6PD deficiency is the most common human enzymopathy and affects 200 million people worldwide. To date more than 400 biochemical variants and at least 60 different point mutations in the G6PD locus have been discovered. In Malaysia the overall incidence of G6PD deficiency among males is 3.1%, being more prevalent among the Chinese and Malays and less common among the Indians. As part of our initial effort to characterise G6PD deficiency in the Malaysian population, we investigated 18 G6PD deficient Chinese male neonates for the G6PD mutation G-->T at nt 1376, a common mutation seen among the Chinese in Taiwan and mainland China. The mutation was detected by a PCR-based technique using primers that artificially create a site for restriction enzyme Xho I. We found 61% (11 out of 18) of the Chinese G6PD deficient male neonates positive for this mutation. Study of enzyme electrophoretic mobility in 7 of the cases positive for this mutation revealed three different patterns of mobility. 107% (5 out of 7), 103% (1 out of 7) and 100% (1 out of 7). This study shows that mutation G-->T at nt 1376 is a common allele causing G6PD deficiency in Malaysians of Chinese origin. The finding of different patterns of electrophoretic mobility among the 7 cases positive for 1376 G-->T mutation supports the notion that diverse biochemical variants may share the same mutation.
    Matched MeSH terms: Malaysia/ethnology
  3. Aishah AB, Foo YN
    Malays J Pathol, 1995 Jun;17(1):43-5.
    PMID: 8907005
    Results of serum lithium performed in the Chemical Pathology Laboratory, Universiti Kebangsaan Malaysia, Kuala Lumpur, over a years' period (June 1991 till May 1992) formed the subject of study. A total of 277 tests were carried out on 148 patients, giving a frequency of about 23.1 tests per month. Complete data regarding age, sex and ethnic group was available for 140 subjects. There were 74 males and 66 females. Racial distribution was 72 Malays, 42 Chinese and 26 Indians. Their ages ranged from 15 to 80 years. One hundred and twenty-three subjects (87.6%) were within the 3rd to 5th decade of life. 136/277 (49.1%) of serum lithium levels were less than 0.6 mmol/l and 24/277 (8.7%) gave results greater than 1.0 mmol/l. Only 6 tests gave values which exceeded 2 mmol/l. This study reveals the need to conduct a prospective study to determine the underlying cause of the high incidence of low serum lithium levels and whether this situation is associated with a satisfactory treatment response in the said population.
    Matched MeSH terms: China/ethnology; India/ethnology
  4. Aishah ZS, Khairi MD, Normastura AR, Zafarina Z, Zilfalil BA
    J Laryngol Otol, 2008 Dec;122(12):1284-8.
    PMID: 18353197 DOI: 10.1017/S0022215108002041
    To determine the frequency and type of gap junction protein beta-2 gene mutations in Malay patients with autosomal recessive, non-syndromic hearing loss.
    Matched MeSH terms: Malaysia/ethnology
  5. Akhabue E, Perak AM, Chan C, Greenland P, Allen NB
    J Pediatr, 2018 Nov;202:98-105.e6.
    PMID: 30177351 DOI: 10.1016/j.jpeds.2018.07.023
    OBJECTIVE: To assess whether racial differences in rates of change in body mass index (BMI) and blood pressure (BP) percentiles emerge during distinct periods of childhood.

    STUDY DESIGN: In this retrospective cohort study, we included children aged 5-20 years who received regular outpatient care at a large academic medical center between January 1996 and April 2016. BMI was expressed as age- and sex-specific percentiles and BP as age-, sex-, and height-specific percentiles. Linear mixed models incorporating linear spline functions with 2 breakpoints at 9 and 12 years of age were used to estimate the changes in BMI and BP percentiles over time during age periods: <9, 9-<12, and >12 years of age.

    RESULTS: Among 5703 children (24.8% black, 10.1% Hispanic), Hispanic females had an increased rate of change in BMI percentile per year relative to white females during ages 5-9 years (+2.94%; 95% CI, 0.24-5.64; P = .033). Black and Hispanic males also had an increased rate of change in BMI percentile per year relative to white males that occurred from ages 5-9 (+2.35% [95% CI, 0.76-3.94; P = .004]; +2.63% [95% CI, 0.31-4.95; P = .026], respectively). There were no significant racial differences in the rate of change of BP percentiles, although black females had higher hypertension rates compared with white females (10.0% vs 5.7%; P 

    Matched MeSH terms: Hypertension/ethnology; Pediatric Obesity/ethnology
  6. Akhtar S, Nasir JA, Ali A, Asghar M, Majeed R, Sarwar A
    PLoS One, 2022;17(1):e0263139.
    PMID: 35085366 DOI: 10.1371/journal.pone.0263139
    OBJECTIVE: The main purpose of this study was to investigate the pooled prevalence of prediabetes and type-2 diabetes in the general population of Malaysia.

    METHOD: We systematically searched Medline (PubMed), Embase, Web of Science, Google Scholar and Malaysian Journals Online to identify relevant studies published between January 1, 1995, and November 30, 2021, on the prevalence of type-2 diabetes in Malaysia. Random-effects meta-analyses were used to obtain the pooled prevalence of diabetes and prediabetes. Subgroup analyses also used to analyze to the potential sources of heterogeneity. Meta- regression was carried to assess associations between study characteristics and diabetes prevalence. Three independent authors selected studies and conducted the quality assessment. The quality of the final evidence was evaluated using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach.

    RESULTS: Of 2689 potentially relevant studies, 786 titles and abstract were screened. Fifteen studies with 103063 individuals were eligible to be included in the meta-analyses. The pooled prevalence of diabetes was 14.39% (95% CI, 12.51%-16.38%; I2 = 98.4%, 103063 participants from 15 studies). The pooled prevalence of prediabetes was 11.62% (95% CI, 7.17%-16.97%; I2 = 99.8, 88702 participants from 9 studies). The subgroup analysis showed statistically significant differences in diabetes prevalence by the ethical sub-populations with highest in Indians (25.10%; 95% CI, 20.19%-30.35%), followed by Malays (15.25%; 95% CI, 11.59%-19.29%), Chinese (12.87%; 95% CI, 9.73%-16.37%), Bumiputeras (8.62%; 95% CI, 5.41%-12.47%) and others (6.91%; 95% CI, 5.71%-8.19%). There was no evidence of publication bias, although heterogeneity was high (I2 ranged from 0.00% to 99·8%). The quality of evidence based on GRADE was low.

    CONCLUSIONS: Results of this study suggest that a high prevalence of prediabetes and diabetes in Malaysia. The diabetes prevalence is associated with time period and increasing age. The Malaysian government should develop a comprehensive approach and strategy to enhance diabetes awareness, control, prevention, and treatment.

    TRIAL REGISTRATION: Trial registration no. PROSPERO CRD42021255894; https://clinicaltrials.gov/.

    Matched MeSH terms: Malaysia/ethnology
  7. Al Ramiah A, Hewstone M
    Br J Soc Psychol, 2012 Jun;51(2):239-56.
    PMID: 21793860 DOI: 10.1111/j.2044-8309.2011.02041.x
    A longitudinal study evaluated the success of a contact-based nation-building intervention (the Malaysian National Service Programme) in promoting various facets of national unity. The study assessed how post-test measures of quality of intergroup contact, outgroup evaluations, and levels of identification changed compared to their respective pre-test levels, for both National Service and control group participants. The intervention did not lead to a worsening of any of the constructs related to intergroup relations, which is noteworthy given the novelty for many participants of mixing in a multi-ethnic setting. Furthermore, all rater groups (Malays, Chinese, and Indians) maintained their ethnic identity, even in the presence of high levels of national identity, which we discuss with respect to past research on the effects of positive intergroup contact on minority group identification. However, the changes associated with the intervention yielded only small effect sizes, and, on the whole, National Service participants did not show significantly greater improvement than that experienced by control participants. We discuss the value of intergroup contact in this novel setting, considering various features of this programme that may have limited its effectiveness and discuss how such interventions can more successfully meet their goals.
    Matched MeSH terms: Malaysia/ethnology
  8. Al-Adhroey AH, Nor ZM, Al-Mekhlafi HM, Mahmud R
    Malar J, 2010;9:137.
    PMID: 20497543 DOI: 10.1186/1475-2875-9-137
    Despite continuous efforts by the government and private sectors, malaria is still a public health problem in rural Peninsular Malaysia. This study investigated household knowledge, attitude and practices (KAP) regarding malaria in two malaria endemic communities, forest-aboriginal and rural communities, in the Lipis district of Pahang state, Malaysia.
    Matched MeSH terms: Malaria/ethnology; Oceanic Ancestry Group/ethnology
  9. Al-Dubai SA, Ganasegeran K, Alabsi AM, Abdul Manaf MR, Ijaz S, Kassim S
    Asian Pac J Cancer Prev, 2012;13(4):1627-32.
    PMID: 22799379
    BACKGROUND: Breast cancer is the most common cancer among women in Malaysia. Barriers for practicing breast self examination (BSE) await exploration.

    OBJECTIVE: To assess the practice of BSE and its correlated factors and particularly barriers amongst urban women in Malaysia.

    METHODS: This cross-sectional study was conducted with 222 Malaysian women using a self-administered questionnaire.

    RESULTS: The mean (SD) age was 28.5 (±9.2) years, 59.0% were university graduates. Of the total, 81.1% were aware of breast cancer and 55% practiced BSE. Amongst 45% of respondents who did not practice BSE, 79.8% did not know how to do it, 60.6% feared being diagnosed with breast cancer, 59.6% were worried about detecting breast cancer, 22% reported that they should not touch their bodies, 44% and 28% reported BSE is embarrassing or unpleasant, 29% time consuming, 22% thought they would never have breast cancer or it is ineffective and finally 20% perceived BSE as unimportant. Logistic regression modeling showed that respondents aged ≥45 years, being Malay, married and having a high education level were more likely to practice BSE (p<0.05).

    CONCLUSION: In this study sample, a significant proportion of respondents was aware of breast cancer but did not practice BSE. Knowledge, psychological, cultural, perception and environmental factors were identified as barriers. BSE practice was associated significantly with socio-demographic factors and socioeconomic status.
    Matched MeSH terms: Breast Neoplasms/ethnology
  10. Al-Hamodi Z, Ismail IS, Saif-Ali R, Ahmed KA, Muniandy S
    Cardiovasc Diabetol, 2011;10:23.
    PMID: 21414238 DOI: 10.1186/1475-2840-10-23
    Increased plasma plasminogen activator inhibitor-1 (PAI-1) activity and decreased tissue plasminogen activator (tPA) activity could be considered a true component of the metabolic syndrome (MetS) associated with an increased risk of developing cardiovascular diseases (CVD) and fibrinolytic abnormalities. The aim of this study was to investigate the association of tPA and its inhibitor PAI-1 with type 2 diabetes (T2D) and MetS and interrelationship between PAI-1 and tPA activities and antigens in Malaysian T2D and normal subjects.
    Matched MeSH terms: Diabetes Mellitus, Type 2/ethnology; Metabolic Syndrome X/ethnology
  11. Al-Joudi FS, Iskandar ZA, Hasnan J, Rusli J, Kamal Y, Imran AK, et al.
    Singapore Med J, 2007 Jul;48(7):607-14.
    PMID: 17609820
    INTRODUCTION: Survivin is a 16.5-kDa intracellular protein that inhibits apoptosis and regulates cell division, and belongs to the inhibitors of apoptosis gene family. It appears to have an important role in regulating apoptosis at the cell cycle checkpoints. Survivin has been found to have a differential distribution in cancer compared to normal tissue, as it is over-expressed in malignant tumours.
    METHODS: In addition to the demographical analysis of the disease, data from 382 women with invasive ductal carcinoma of the breast were collected from three hospitals in Northeast Malaysia, and analysed for survivin expression by immunohistochemistry.
    RESULTS: Invasive ductal carcinoma of the breast was found to be the most prevalent breast cancer type. Survivin was detected in 260 (68.1 percent) study cases. In addition, significant correlations have been shown between survivin expression on one hand, and tumour size and lymph node involvement on the other hand (p-value is less than 0.05). However, no significant correlations were found with other clinicopathological factors, such as tumour histological grade, tumour side, oestrogen and progesterone receptors. Nuclear expression of survivin was detected in 16.5 percent of the study cases, cytoplasmic expression was detected in 24.1 percent, and 27.5 percent of the cases expressed survivin in both nuclear and cytoplasmic locations simultaneously. The subcellular localisation of survivin was significantly correlated (p is less than 0.001) with the lymph node involvement indicating its value in predicting the aggressiveness of tumour cells, since it increases the resistance to apoptosis and promotes cell proliferation.
    CONCLUSION: This is the fi rst known report on survivin expression in cancer in West Malaysia and Southeast Asia. It emphasises the importance of the detection of survivin in breast cancer to aid in diagnosis, confirm malignancy, and to assess the disease progress and response to therapy.
    Matched MeSH terms: Breast Neoplasms/ethnology; Carcinoma, Ductal, Breast/ethnology
  12. Al-Jubouri MA, Inkster GD, Nee PA, Andrews FJ
    Ann. Clin. Biochem., 2006 Jul;43(Pt 4):323-5.
    PMID: 16824287 DOI: 10.1258/000456306777695681
    A 35-year-old Malaysian man presented with rapid onset of flaccid quadriparesis associated with nausea and vomiting. General blood tests revealed severe hypokalaemia (serum potassium 1.5 mmol/L) and hypophosphataemia (serum phosphate 0.29 mmol/L) as a potential cause of the flaccid paralysis. Arterial blood gases showed mixed acid base disturbance of respiratory alkalosis and metabolic acidosis with hyperlactataemia. Thyrotoxic periodic paralysis (TPP) was suspected as the underlying cause of this presentation and thyroid function tests showed severe hyperthyroid results (free T4 > 77.2 pmol/L, free T3 19.3 pmol/L, thyroid-stimulating hormone [TSH] < 0.05 mIU/L). Treatment with intravenous potassium and phosphate infusion and oral propranolol resulted in rapid resolution of his symptoms. A discussion of the clinical and pathophysiological features and treatment of TPP (a very rare encounter in UK clinical practice) is presented, and to our knowledge associated hyperlactataemia has not been previously described.
    Matched MeSH terms: Thyrotoxicosis/ethnology; Hypokalemic Periodic Paralysis/ethnology
  13. Al-Mekhlafi HM, Mahdy MA, 'Azlin MY, Fatmah MS, Norhayati M
    Ann Trop Med Parasitol, 2011 Mar;105(2):135-43.
    PMID: 21396250 DOI: 10.1179/136485911X12899838683368
    Cryptosporidium is a coccidian parasite that is prevalent worldwide, some species of which cause morbidity in both immunocompromised and immunocompetent individuals. The prevalence and predictors of Cryptosporidium infection, and its effect on nutritional status, have recently been explored among 276 children (141 boys and 135 girls, aged 2-15 years) in aboriginal (Orang Asli) villages in the Malaysian state of Selangor. Faecal smears were examined by the modified Ziehl-Neelsen staining technique while socio-economic data were collected using a standardized questionnaire. Nutritional status was assessed by anthropometric measurements. Cryptosporidium infection, which was detected in 7.2% of the aboriginal children, was found to be significantly associated with low birthweight (≤2.5 kg), being part of a large household (with more than seven members) and prolonged breast feeding (>2 years). The output of a binary logistic regression confirmed that large household size was a significant predictor of Cryptosporidium infection (giving an odds ratio of 2.15, with a 95% confidence interval of 1.25-5.02). Cryptosporidium infection is clearly a public-health problem among the aboriginal children of Selangor, with person-to-person the most likely mode of transmission.
    Matched MeSH terms: Cryptosporidiosis/ethnology*
  14. Al-Mekhlafi MH, Surin J, Atiya AS, Ariffin WA, Mahdy AK, Abdullah HC
    Trans R Soc Trop Med Hyg, 2008 Oct;102(10):1046-52.
    PMID: 18617209 DOI: 10.1016/j.trstmh.2008.05.012
    A cross-sectional study to determine the current prevalence of anaemia and iron deficiency anaemia (IDA) and to investigate the possible risk factors for IDA was carried out on 241 aboriginal schoolchildren (120 boys, 121 girls) aged 7-12 years and living in remote areas in Pos Betau, Pahang, Malaysia. Haemoglobin (Hb) level was measured and serum iron status was assessed by serum ferritin (SF), serum iron (SI) and total iron binding capacity measurements. Socioeconomic data were collected using pre-tested questionnaires. All children were screened for intestinal parasitic infections. Overall, 48.5% (95% CI 42.3-54.8) of children were anaemic (Hb<12 g/dl). The prevalence of IDA was 34% (95% CI 28.3-40.2), which accounted for 70.1% of the anaemia cases. The prevalence of IDA was significantly higher in females than males. Low levels of mothers' education and low household income were identified as risk factors for IDA. Severe trichuriasis also found to be associated with low SF and SI. Logistic regression confirmed low levels of mothers' education and gender as significant risk factors for IDA. Improvement of socioeconomic status and health education together with periodic mass deworming should be included in public health strategies for the control and prevention of anaemia and IDA in this population.
    Matched MeSH terms: Ascariasis/ethnology; Intestinal Diseases, Parasitic/ethnology; Malaysia/ethnology; Anemia, Iron-Deficiency/ethnology
  15. Al-Naggar RA, Isa ZM, Shah SA, Nor MI, Chen R, Ismail F, et al.
    Asian Pac J Cancer Prev, 2009;10(6):1075-8.
    PMID: 20192587
    Survival after diagnosis of cancer is one of the major outcome measurements and a key criterion for assessing quality of cancer control related to both the preventive and the therapeutic level. The purpose of this study was to determine the 8-year survival time in Malaysia based on socio-demographic and clinical characteristics. A retrospective study of 472 Malaysian women with breast cancer from the Medical Record Department at University Kebangsaan Malaysia Medical Centre (UKMMC) was therefore performed with survival analysis carried out using the Kaplan-Meier with log-rank test for univariate analysis and Cox-regression for multivariate analysis. Women who had cancer or family history of cancer had a longer 8-year survival time (p = 0.008) compared with others who did not have such a history. Tamoxifen use, positive oestrogen receptor status, and race were prognostic indicators for 8-year survival time (p = 0.036, p = 0.018, p = 0.053, respectively) in univariate analysis. Multivariate analysis showed that being Malays and having no family history of cancer were independent prognostic factors for shorter survival time (p = 0.008, p = 0.012, respectively). In conclusion, being Chinese and having a family history of cancer are predictors of longer survival among the Malaysian breast cancer women.
    Matched MeSH terms: Breast Neoplasms/ethnology; China/ethnology
  16. Al-Saffar A, Awang S, Tao H, Omar N, Al-Saiagh W, Al-Bared M
    PLoS One, 2018;13(4):e0194852.
    PMID: 29684036 DOI: 10.1371/journal.pone.0194852
    Sentiment analysis techniques are increasingly exploited to categorize the opinion text to one or more predefined sentiment classes for the creation and automated maintenance of review-aggregation websites. In this paper, a Malay sentiment analysis classification model is proposed to improve classification performances based on the semantic orientation and machine learning approaches. First, a total of 2,478 Malay sentiment-lexicon phrases and words are assigned with a synonym and stored with the help of more than one Malay native speaker, and the polarity is manually allotted with a score. In addition, the supervised machine learning approaches and lexicon knowledge method are combined for Malay sentiment classification with evaluating thirteen features. Finally, three individual classifiers and a combined classifier are used to evaluate the classification accuracy. In experimental results, a wide-range of comparative experiments is conducted on a Malay Reviews Corpus (MRC), and it demonstrates that the feature extraction improves the performance of Malay sentiment analysis based on the combined classification. However, the results depend on three factors, the features, the number of features and the classification approach.
    Matched MeSH terms: Attitude/ethnology*
  17. Al-koshab M, Nambiar P, John J
    PLoS One, 2015;10(3):e0121682.
    PMID: 25803868 DOI: 10.1371/journal.pone.0121682
    INTRODUCTION: Proper imaging allows practitioners to evaluate an asymptomatic tempormandibular joint (TMJ) for potential degenerative changes prior to surgical and orthodontic treatment. The recently developed cone-beam computed tomography (CBCT) allows measurement of TMJ bony structures with high accuracy. A study was undertaken to determine the morphology, and its variations, of the mandibular condyle and glenoid fossa among Malay and Chinese Malaysians.

    METHODS: CBCT was used to assess 200 joints in 100 subjects (mean age, 30.5 years). i-CAT CBCT software and The Mimics 16.0 software were employed to measure the volume, metrical size, position of each condyle sample and the thickness of the roof of the glenoid fossa (RGF).

    RESULTS: No significant gender differences were noted in thickness of the RGF and condylar length; however condylar volume, width, height and the joint spaces were significantly greater among males. With regards to comparison of both TMJs, the means of condylar volume, width and length of the right TMJ were significantly higher, while the means of the left condylar height and thickness of RGF were higher. When comparing the condylar measurements and the thickness of RGF between the two ethnic groups, we found no significant difference for all measurements with exception of condylar height, which is higher among Chinese.

    CONCLUSION: The similarity in measurements for Malays and Chinese may be due to their common origin. This information can be clinically useful in establishing the diagnostic criteria for condylar volume, metrical size, and position in the Malaysian East Asians population.

    Matched MeSH terms: China/ethnology; Malaysia/ethnology
  18. Alcantara VS, Lim GH, Lim SH, Sultana R, Lee JA
    J Surg Oncol, 2017 Apr;115(5):523-537.
    PMID: 28168712 DOI: 10.1002/jso.24559
    BACKGROUND AND OBJECTIVES: Triple negative breast cancer (TNBC) carries a worse prognosis compared to the other subtypes. There have been conflicting studies that race may impact the prognosis of TNBC patients. We aim to determine the incidence and prognosis of TNBC among the different ethnic races in Singapore, and to determine its associated risk factors for prognosis.

    METHODS: Patients diagnosed with invasive breast cancer (BC) from 2005 to 2013 at our tertiary institution were included and divided according to race and subtypes. Demographic and clinical information of non-metastatic TNBC patients were analyzed. Log-rank test, univariate and multivariate Cox proportional hazard regression models were used to find associated risk factors related with overall survival (OS) and disease-free survival (DFS).

    RESULTS: Among 1227 BC patients, 129 (10.5%) had TNBC. TNBC patients had the worst OS (P: 0.0005) and DFS (P: 0.0016) among the subtypes. However, variations in race did not have any difference in OS or DFS among TNBC patients. Axillary lymph node involvement, invasive lobular histology, larger tumor size, and the presence of lymphovascular invasion (LVI) were factors associated with both poor DFS and OS among TNBC patients.

    CONCLUSIONS: Racial variation did not have any impact on the prognosis of the TNBC.

    Matched MeSH terms: China/ethnology; India/ethnology; Malaysia/ethnology
  19. Alex D, Khor HM, Chin AV, Hairi NN, Othman S, Khoo SPK, et al.
    BMJ Open, 2018 07 17;8(7):e019579.
    PMID: 30018093 DOI: 10.1136/bmjopen-2017-019579
    OBJECTIVES: Falls represent major health issues within the older population. In low/middle-income Asian countries, falls in older adults remain an area which has yet to be studied in detail. Using data from the Malaysian Elders Longitudinal Research (MELoR), we have estimated the prevalence of falls among older persons in an urban population, and performed ethnic comparisons in the prevalence of falls.

    DESIGN: Cross-sectional analysis was carried out using the first wave data from MELoR which is a longitudinal study.

    SETTING: Urban community dwellers in a middle-income South East Asian country.

    PARTICIPANTS: 1565 participants aged ≥55 years were selected by simple random sampling from the electoral rolls of three parliamentary constituencies.

    OUTCOME MEASURES: Consenting participants from the MELoR study were asked the question 'Have you fallen down in the past 12 months?' during their computer-assisted home-based interviews. Logistic regression analyses were conducted to compare the prevalence of falls among various ethnic groups.

    RESULTS: The overall estimated prevalence of falls for individuals aged 55 years and over adjusted to the population of Kuala Lumpur was 18.9%. The estimated prevalence of falls for the three ethnic populations of Malays, Chinese and Indian aged 55 years and over was 16.2%, 19.4% and 23.8%, respectively. Following adjustment for ethnic discrepancies in age, gender, marital status and education attainment, the Indian ethnicity remained an independent predictor of falls in our population (relative risk=1.45, 95% CI 1.08 to 1.85).

    CONCLUSION: The prevalence of falls in this study is comparable to other previous Asian studies, but appears lower than Western studies. The predisposition of the Indian ethnic group to falls has not been previously reported. Further studies may be needed to elucidate the causes for the ethnic differences in fall prevalence.

    Matched MeSH terms: China/ethnology; India/ethnology; European Continental Ancestry Group/ethnology; Asian Continental Ancestry Group/ethnology
  20. Alexander MJ, Sinnatamby AS, Rohaimah MJ, Harun AH, Ng JS
    Ann Acad Med Singap, 1990 May;19(3):344-6.
    PMID: 2393233
    Brunei Darussalam has a mixed population with entirely different cultures and religions. The overall incidence of Hepatitis B virus (HBV) infection is 6%. A racial analysis of the incidence of HBV infection in Brunei shows a significantly higher incidence in Chinese compared to the other races. This is consistent with the incidence in the neighbouring countries.
    Matched MeSH terms: China/ethnology; Hepatitis B/ethnology*; Malaysia/ethnology
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