Working Paper Article Version 1 This version is not peer-reviewed

Body Shape Index and Body Roundness Index: Two New Body Indices for Prediction of Multiple Metabolic Risk Factors in Southern China Adults

Version 1 : Received: 23 May 2020 / Approved: 24 May 2020 / Online: 24 May 2020 (16:44:12 CEST)

How to cite: Xu, J.; Wu, Q.; Zhou, Y.; Jin, Z.; Zhu, Y. Body Shape Index and Body Roundness Index: Two New Body Indices for Prediction of Multiple Metabolic Risk Factors in Southern China Adults. Preprints 2020, 2020050387 Xu, J.; Wu, Q.; Zhou, Y.; Jin, Z.; Zhu, Y. Body Shape Index and Body Roundness Index: Two New Body Indices for Prediction of Multiple Metabolic Risk Factors in Southern China Adults. Preprints 2020, 2020050387

Abstract

This purpose was to compare the ability of body shape index (ABSI) and body roundness index (BRI) with waist circumference (WC), body mass index (BMI), waist-to-hip ratio (WHR), waist-to-height ratio (WHtR) and body adiposity index (BAI) to predict metabolic risk. The cross-sectional study was conducted in 17,360 Chinese subjects (were aged 18-95 years old) who escaped cardiovascular disease (CVD) or diabetes. Biochemical and anthropometric variables were measured by trained staff. Receiver operating characteristic curve (ROC) and optimal cutoff values of obesity indices were recruited to compare the predictive ability for metabolic risk factors. The mean age of subjects was 53.7(13.1) years, 41.6 % were males. Within young group (<60 years), the areas under the curve (AUC) demonstrated that WC, BMI, WHR, WHtR and BRI were able to similarly predict high metabolic risk in males (0.74 vs. 0.74 vs. 0.73 vs. 0.73 vs. 0.73) and in females (0.73 vs. 0.73 vs. 0.71 vs. 0.73 vs. 0.73), while the approximate predictive ability were only acquired in males (0.73 vs. 0.73 vs. 0.70 vs. 0.73 vs. 0.73) within elder group (≥60 years). The optimal cut-off values of BRI for high metabolic risk were calculated in males (<60 y: 3.49 vs. ≥60 y: 3.46) and females (<60 y: 3.47 vs. ≥60 y: 3.60). Meanwhile, BRI displayed a strong prediction to elevated BP and elevated TG in males (AUC = 0.64; AUC = 0.70) and to elevated BP, elevated TG and elevated SUA in females (AUC = 0.67; AUC = 0.69; AUC =0.70). BRI was able to similarly predict high metabolic risk compared to WC, BMI, WHR, WHtR and BAI, while ABSI was not. Moreover, BRI revealed specific predictive ability for elevated BP, elevated TG and elevated SUA.

Subject Areas

body shape index; body roundness index; metabolic risk factors; Southern China adults

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