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Table 1 Concordance of obesity classification using body mass index and percent body fat, stratified by sex

From: Concordance of obesity classification between body mass index and percent body fat among school children in Saudi Arabia

Parameter Boys (n = 618) Girls (n = 256)
Sensitivity 93% (40/43) 100% (17/17)
Specificity 88% (508/575) 70% (168/239)
Positive predictive value 37% (40/107) 19% (17/88)
Negative predictive value 99% (508/511) 100% (168/168)
Agreement rate 0.48 0.24
ROC (sensitivity/1-specificity) 0.90 0.85