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Table 5 Threshold effect analysis of VAI on fasting plasma glucose using piece-wise linear regression

From: Visceral adiposity index is positively associated with fasting plasma glucose: a cross-sectional study from National Health and Nutrition Examination Survey 2017–2020

Inflection point of VAI

β

P value

< 4.02

0.73 (0.59, 0.87)

< 0.0001

≥4.02

0.23 (0.07, 0.40)

0.0063

Log-likelihood ratio

< 0.001