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Table 3 Sensitivity, specificity and accuracy of body composition variables to diagnostic NAFLD in obese individuals

From: Body composition variables as predictors of NAFLD by ultrasound in obese children and adolescents

Variables Sensitivity Specificity PPV PNV
Overall     
WC 0.667 0.640 45.4 81.0
TFM 0.733 0.540 41.8 81.8
IAAT 0.756 0.610 46.5 84.8
Male     
WC 0.567 0.600 51.6 56.1
TFM 0.533 0.537 42.1 44.3
IAAT 0.600 0.600 46.1 48.2
Female     
WC 0.733 0.704 45.2 57.4
TFM 0.533 0.611 26.7 43.1
IAAT 0.400 0.833 40.1 83.3
  1. PPV = predictive positive value; PNV = predictive negative value; WC = waist circumference; TFM = trunk fat mass; IAAT = intra-abdominal adipose tissue; NAFLD = non-alcoholic fat liver disease; IAAT = intra-abdominal adipose tissue.