Wah-Kheong Chan1, Norhaniza Bahar2, Hamizah Razlan2, Anushya Vijayananthan3, Pavai Sithaneshwar4, Khean-Lee Goh2. 1. Gastroenterology and Hepatology Unit, Department of Medicine, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia. wahkheong2003@hotmail.com. 2. Gastroenterology and Hepatology Unit, Department of Medicine, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia. 3. Department of Bio-Medical Imaging, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia. 4. Clinical Diagnostic Laboratory, Department of Pathology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.
Abstract
PURPOSE: Previous studies on multiracial Malaysian populations found inordinately high prevalence of NAFLD among Malays and Indians. Whether the prevalence of NAFLD is different among young adults of different ethnic origins is not known. We aimed to determine racial differences in NAFLD in a young multiracial Malaysian population and associated factors. METHODS: This was a cross-sectional study on medical students from the University of Malaya. Diagnosis of NAFLD was by transabdominal ultrasonography and following exclusion of significant alcohol intake and other causes of chronic liver disease. RESULTS: Data of 469 subjects were analyzed (mean age 23.2 ± 2.4 years, 40.3 % male). The racial distribution was: Chinese 53.9 %, Malay 30.5 % and Indian 15.6 %. The overall prevalence of NAFLD was 7.9 %. Subjects with NAFLD were older, had greater BMI and WC, higher SBP and DBP, higher FBS, serum TG and LDL levels, and lower serum HDL level. The prevalence of NAFLD was higher among males compared to females (17.9 % vs. 3.3 %, p < 0.001). The highest prevalence of NAFLD was seen among Indian and Malay males at 33.3 and 25.5 %, respectively, compared to Chinese males at 6.8 % (p < 0.001). No significant difference was seen among females of different races. Independent factors associated with NAFLD were male gender, obesity and hypertriglyceridemia. CONCLUSIONS: The difference in prevalence of NAFLD among the different ethnic groups can be observed as early as young adulthood. An inordinately high prevalence of NAFLD was observed among Malay and Indian males consistent with the higher prevalence of obesity in these groups.
PURPOSE: Previous studies on multiracial Malaysian populations found inordinately high prevalence of NAFLD among Malays and Indians. Whether the prevalence of NAFLD is different among young adults of different ethnic origins is not known. We aimed to determine racial differences in NAFLD in a young multiracial Malaysian population and associated factors. METHODS: This was a cross-sectional study on medical students from the University of Malaya. Diagnosis of NAFLD was by transabdominal ultrasonography and following exclusion of significant alcohol intake and other causes of chronic liver disease. RESULTS: Data of 469 subjects were analyzed (mean age 23.2 ± 2.4 years, 40.3 % male). The racial distribution was: Chinese 53.9 %, Malay 30.5 % and Indian 15.6 %. The overall prevalence of NAFLD was 7.9 %. Subjects with NAFLD were older, had greater BMI and WC, higher SBP and DBP, higher FBS, serum TG and LDL levels, and lower serum HDL level. The prevalence of NAFLD was higher among males compared to females (17.9 % vs. 3.3 %, p < 0.001). The highest prevalence of NAFLD was seen among Indian and Malay males at 33.3 and 25.5 %, respectively, compared to Chinese males at 6.8 % (p < 0.001). No significant difference was seen among females of different races. Independent factors associated with NAFLD were male gender, obesity and hypertriglyceridemia. CONCLUSIONS: The difference in prevalence of NAFLD among the different ethnic groups can be observed as early as young adulthood. An inordinately high prevalence of NAFLD was observed among Malay and Indian males consistent with the higher prevalence of obesity in these groups.
Entities:
Keywords:
Asian; Epidemiology; Ethnicity; Non-alcoholic fatty liver disease; Young adults
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