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Table 3 Diagnostic indices of different definitions for childhood obesity/overweight in screening excess %BF

From: Diagnostic accuracy of different body weight and height-based definitions of childhood obesity in identifying overfat among Chinese children and adolescents: a cross-sectional study

  References SE SP YI PPV LR+
Boys Girls Boys Girls Boys Girls Boys Girls Boys Girls
OB HK-1993 0.761 (188/247) 0.588 (187/318) 0.862 (648/752) 0.973 (603/620) 0.623 0.561 0.644 0.917 5.504 21.447
WHO-BMI 0.502 (139/277) 0.200 (69/345) 0.971 (832/858) 0.998 (653/654) 0.473 0.199 0.848 0.986 17.201 130.800
CDC-BMI 0.448 (124/277) 0.191 (66/345) 0.980 (840/858) 0.998 (653/654) 0.428 0.190 0.978 0.985 22.567 125.113
IOTF-BMI 0.325 (90/277) 0.128 (44/345) 0.993 (851/858) 0.998 (653/654) 0.318 0.126 0.938 0.978 46.408 83.409
WGOC-BMI 0.473 (131/277) 0.278 (96/345) 0.977 (837/858) 0.998 (653/654) 0.450 0.277 0.868 0.990 20.265 181.900
OW & OB WHO-BMI 0.845 (234/277) 0.542 (187/345) 0.856 (734/858) 0.945 (618/654) 0.678 0.487 0.619 0.839 5.027 9.847
CDC-BMI 0.762 (211/277) 0.493 (170/345) 0.883 (757/858) 0.966 (632/654) 0.645 0.459 0.670 0.885 6.528 14.648
IOTF-BMI 0.765 (212/277) 0.504 (174/345) 0.878 (752/858) 0.961 (628/654) 0.643 0.464 0.669 0.870 6.247 12.686
WGOC-BMI 0.801 (222/277) 0.548 (189/345) 0.855 (733/858) 0.956 (625/654) 0.657 0.503 0.642 0.867 5.539 12.354
  1. OB obesity, OB & OW overweight and obesity, HK 1993 1993 Hong Kong reference, IOTF-BMI International Obesity Task Force BMI reference, CDC-BMI US Centers for Disease Control and Prevention BMI reference, WHO-BMI World Health Organization reference, WGOC-BMI Working Group on Obesity in China BMI reference, SE sensitivity, SP specificity, YI Youden’s index, PPV positive predictive values, LR+ likelihood ratio for positive test results