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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.