Table 5 ROC analysis of BMD predictors
From: Three-dimensional analysis of gait in postmenopausal women with low bone mineral density
Variable | AUR (95% CI) | Optimal criterion | Sensitivity (95% CI) | Specificity (95% CI) | PPV | NPV |
|---|---|---|---|---|---|---|
Trunk rotation ROM | 0.72 (0.54-0.86) | ≤12.68 | 52.9 (27.8-77) | 88.24 (63.2-98.5) | 81.8 | 65.2 |
Adduction moment (N.m/Kg) | 0.78 (0.60-0.90) | ≤0.87 | 41.2 (18.4-67.1) | 100 (80.5-100) | 100 | 63 |
Extension moment (N.m/Kg) | 0.76 (0.58-0.89) | ≤0.34 | 70.6 (44–89.7) | 70.6 (44–89.7) | 70.6 | 70.6 |
H1S (W/Kg) | 0.87 (0.72-0.96) | ≤0.39 | 88.2 (63.6-98.5) | 76.5 (50–93.2) | 78.9 | 86.7 |
H2S (W/Kg) | 0.79 (0.62-0.91) | ≤0.23 | 64.7 (38.3-85.8) | 88.2 (63.6-98.5) | 84.6 | 71.4 |
H3S (W/Kg) | 0.77 (0.60-0.90) | ≤0.71 | 100 (80.5-100) | 52.9 (27.8-77) | 68 | 100 |
K4S (W/Kg) | 0.81 (0.64-0.92) | ≤0.82 | 88.2 (63.6-98.5) | 64.7 (38.8-85.8) | 71.4 | 84.6 |
A2S (W/Kg) | 0.93 (0.72-0.99) | ≤1.78 | 100 (66.4-100) | 90 (55.5-99.7) | 90 | 100 |