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Table 6 The cut-off points of FLI at waist circumference and BMI stratifications in NHANES III

From: Population-specific cut-off points of fatty liver index: a study based on the National Health and Nutrition Examination Survey data

Gender Cut-off points BMI < 18.5 18.5 ≤ BMI < 25.0 25.0 ≤ BMI < 30.0 BMI ≥ 30.0
Whole 59.54 b 23.63 60.84 84.10
Male 61.47 b 23.75 60.47 87.90
 WC < 102 47.97 b 23.75 59.10 79.25
 WC ≥ 102 87.73 a 54.46 67.07 88.53
Female 51.65 b 23.65 45.44 82.60
 WC < 88 b b b 41.89 27.91
 WC ≥ 88 70.28 a 35.26 51.64 82.60
  1. aThe optimal cut-off point of FLI could not be obtained due to insufficient data
  2. bThe calculated AUROC < 0.5, which cannot meet the requirements of diagnostic test