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Predictive ability of the Chinese visceral adiposity index for incident hypertension in working-aged Koreans
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Ju Young Jung, Chang-Mo Oh, Hyun chul Jo, Sung Keun Park
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Epidemiol Health. 2024;e2024034. Published online February 27, 2024
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DOI: https://doi.org/10.4178/epih.e2024034
[Accepted]
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 Abstract
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Abstract
OBJECTIVES
The Chinese visceral adiposity index (CVAI) was developed to assess visceral adipose tissue in the Asian population. This study evaluated the predictive ability of the CVAI for incident hypertension in Korean adults.
METHODS The study participants included 128,577 Koreans without hypertension. They were grouped in quartiles according to body mass index (BMI), waist circumference (WC), visceral adipose index (VAI), and CVAI values. The Cox proportional hazard assumption was used to evaluate the hazard ratio (HR) and 95% confidence interval (CI) for incident hypertension (adjusted HR [95% CI]) according to quartile level across a follow-up period of 6.9 years. Subgroup analyses were conducted by gender and obesity. The area under the curve was calculated to compare the predictive abilities of all indices (BMI, WC, VAI, and CVAI) for incident hypertension.
RESULTS The CVAI was proportionally associated with the risk of hypertension in all participants (quartile 1, reference; quartile 2, 1.71 [1.59–1.82]; quartile 3, 2.41 [2.25–2.58]; and quartile 4, 3.46 [3.23–3.71]). Time dependent receiver operating characteristic curve analysis indicated that the CVAI was superior to BMI, WC, and VAI in predicting hypertension at the 2-year, 4-year, 6-year and 8-year follow-ups. This finding was also observed in the gender and obesity subgroups. The predictive ability of the CVAI was greater in the women and non-obese subgroups than in the men and obese subgroups.
CONCLUSIONS The CVAI was a stronger predictor of hypertension than BMI, WC, and VAI.
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