Table 2: Predictive value of BIA and BMI towards DXA.

DXA
Nonobese 
(FM < 25% M, < 35% F)
Obese 
(FM ≥ 25% M, ≥ 35% F)

BMI<30 kg/m2  
≥30 kg/m2
2
0
53
48
Overall predictive value: 48.5%
Sensitivity: 47.5%
Specificity: 100%
Positive predictive value: 100%
Negative predictive value: 3.6%

BIANon-obese (FM 25% M, 35% F)
Obese (FM 25% M, 35% F)
2
0
15
85
Overall predictive value: 85.3%
Sensitivity: 85%
Specificity: 100%
Positive predictive value: 100%
Negative predictive value: 11.8%