Table 2 Cross-classification of BMID and BMIC for standard BMI categories
| Â | BMI C (%) | ||||
|---|---|---|---|---|---|
| Â | Underweight | Normal weight | Overweight | Class I obesity | Class II/III obesity |
Female | |||||
BMI D category | |||||
 Underweight | 106 (45.9) | 117 (50.6) | 7 (3.0) | 1 (0.4) | 0 (0.0) |
 Normal weight | 76 (2.0) | 2491 (66.6) | 959 (25.6) | 185 (4.9) | 30 (0.8) |
 Overweight | 7 (0.3) | 127 (5.3) | 1239 (51.9) | 785 (32.9) | 229 (9.6) |
 Class I obesity | 2 (0.1) | 6 (0.4) | 94 (6.6) | 692 (48.5) | 634 (44.4) |
 Class II/III obesity | 0 (0.0) | 1 (0.1) | 7 (0.6) | 55 (4.9) | 1055 (94.4) |
 Sensitivity | 0.555 | 0.909 | 0.537 | 0.403 | 0.542 |
 Specificity | 0.986 | 0.797 | 0.826 | 0.898 | 0.991 |
 Pos. predictive value | 0.459 | 0.666 | 0.519 | 0.485 | 0.944 |
 Neg. predictive value | 0.990 | 0.951 | 0.836 | 0.863 | 0.885 |
Male | |||||
BMI D category | |||||
 Underweight | 25 (49.0) | 22 (43.1) | 4 (7.8) | 0 (0.0) | 0 (0.0) |
 Normal weight | 22 (1.1) | 1486 (73.0) | 484 (23.8) | 41 (0.2) | 2 (0.1) |
 Overweight | 1 (0.0) | 219 (7.2) | 2130 (70.3) | 637 (21.0) | 45 (1.5) |
 Class I obesity | 0 (0.0) | 11 (0.7) | 133 (8.2) | 1064 (65.4) | 420 (25.8) |
 Class II/III obesity | 0 (0.0) | 0 (0.0) | 11 (1.2) | 72 (7.8) | 842 (91.0) |
 Sensitivity | 0.521 | 0.855 | 0.771 | 0.587 | 0.643 |
 Specificity | 0.997 | 0.908 | 0.816 | 0.904 | 0.987 |
 Pos. predictive value | 0.490 | 0.730 | 0.703 | 0.654 | 0.910 |
 Neg. predictive value | 0.997 | 0.955 | 0.864 | 0.876 | 0.931 |