Low Diagnostic Accuracy of Body Mass Index-Based and Waist Circumference-Based References of Childhood Overweight and Obesity in Identifying Overfat among Chinese Children and Adolescents
Table 4
Diagnostic indices of different definitions for childhood obesity and overweight in screening excess %BF.
References
SE
SP
YI
PPV
LR+
Boys
Girls
Boys
Girls
Boys
Girls
Boys
Girls
Boys
Girls
OB
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
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
OW & OB
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
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
WC
0.697 (193/277)
0.533 (184/345)
0.934 (801/858)
0.914 (598/654)
0.630
0.448
0.772
0.757
10.487
6.229
WHtR
0.881 (244/277)
0.670 (231/345)
0.816 (700/858)
0.864 (565/654)
0.697
0.533
0.607
0.722
4.784
4.920
Note: 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; WC, waist circumference; WHtR, waist-for-height ratio. SE, sensitivity; SP, specificity; YI, Youden’s index; PPV, positive predictive values; LR+, likelihood ratio for positive test results.
