期刊
出版社
ELSEVIER
DOI: 10.1016/j.ijcrp.2022.200142
关键词
Cardiovascular disease; Obesity; Predictive ability
This study aimed to compare the predictive ability of six obesity indices in identifying individuals at risk of cardiovascular events. The conicity index showed the highest performance in predicting fatal and non-fatal cardiovascular events. Waist-to-height ratio was independently associated with non-fatal cardiovascular events in men, but other obesity measures had no significant associations with cardiovascular events.
Background: Globally, most people die from cardiovascular diseases. We aimed to compare predictive ability of six obesity indices, including body mass index, waist circumference, waist-to-hip ratio, waist-to-height ratio, conicity index, and abdominal volume index, to identify people at risk of fatal and non-fatal cardiovascular events, in a cohort study. Methods: We studied 5147 participants in a baseline population-based cohort study conducted in northern Iran. The obesity measures were calculated in enrollment phase (2009-2010), and the cardiovascular events were recorded during a 7-year follow-up phase (2010-2017). Receiver operating characteristic (ROC) analyses and Cox hazard regression models were applied, considering the obesity measures as predictors, and the 7-year cardiovascular events as outcomes. Multiple Cox models were adjusted by age, prior history of cardiovascular diseases, chronic kidney diseases, insulin resistance, diabetes mellitus, dyslipidemia, hypertension, and smoking status. Results: Conicity index showed the highest performance in predicting 7-year fatal and non-fatal cardiovascular events with areas under the ROC curve of 0.77 [95% confidence interval: 0.71-0.82], and 0.63 [0.59-0.68] in men, and 0.80 [0.74-0.87], and 0.65 [0.60-0.71] in women, respectively. In multiple Cox models, the obesity measures had no significant associations with cardiovascular events in women. In men, only waist-to-height ratio was independently associated with 7-year non-fatal cardiovascular events (hazard ratio: 1.19 [95% confidence interval: 1.01-1.38]). Conclusions: Although waist-to-height ratio had an independent association with 7-year non-fatal cardiovascular events in men, conicity index showed the best ability to predict 7-year fatal and non-fatal cardiovascular events in our study.
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