Derivation of BMI and waist circumference cut-off values for Sri Lankan adults

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dc.contributor.author Katulanda, P.
dc.contributor.author Jayawardena, M.A.N.A.A.D.
dc.contributor.author Lamabadusuriya, D.
dc.contributor.author Sheriff, M.H.R.
dc.contributor.author Matthews, D.R.
dc.date.accessioned 2012-02-21T07:53:05Z
dc.date.available 2012-02-21T07:53:05Z
dc.date.issued 2009
dc.identifier.citation Sri Lanka Medical Association -122nd Anniversary Academic Sessions; 2009_.17pp en_US
dc.identifier.uri http://archive.cmb.ac.lk:8080/xmlui/handle/70130/1905
dc.description.abstract Anthropometric cut-off values derived for Caucasians would be less sensitive to define obesity in Non-Caucasians. We aimed to derive BMI and WC cut-offs for Sri Lankan adults. Methods: Data were from a nationally representative sample of 4276 subjects without known diabetes. Presence of ?2 of dysglycaemia (fasting glucose ?5.6mmol/l; 2-hr post OGTT glucose ?7.8mmol/1), elevated blood pressure (? 130/85mmHg/antihypertensive therapy), low HDLC (males <1.03mmol/l; females <1.3mmol/l) and elevated triglycerides (>1.7mmol/l) was considered as having high cardiovascular disease (CVD) risk. Receiver operating characteristic (ROC) curve analysis was performed using SPSS to identify BMI and WC cut-offs with optimal sensitivity and specificity to predict high CVD risk. Results: The mean age, BMI and WC were 45.2 years, 21.8kg/m2 and 77.7cm. The area under the curve (AUC) for BMI for both males (M) and females (F) were 0.71 (P<0.0001). AUC for WC were M: 0.71, F: 0.72 (p<0.0001). The BMI cut-off for all adults was 21.5kg/m2 and that for males and females were 20.7 kg/m2 and 22.0 kg/m2 respectively. The WC cutoff for men and women were 76.5cm and 76.3cm respectively. The sensitivity for the new BMI cut-off in predicting high CVD risk was 66% compared to 34% for the cut-off for overweight (25kg/m2 ) for Caucasians. The sensitivities for WC cut-offs recommended by the International Diabetes Federation for Asians (M: 90cm, F: 80cm) were M: 27% and F: 57%. Conclusions: Population specific anthropometric cut-offs are more sensitive in identifying those with higher CVD risk in Sri Lankans compared to those derived for Caucasians.
dc.language.iso en en_US
dc.title Derivation of BMI and waist circumference cut-off values for Sri Lankan adults en_US
dc.type Research abstract en_US


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