Table 3.
(A). Regression analysis showing one versus one multi-class classification for different disease states, with the “Healthy” group defined as negative state. (B). Regression analysis showing one versus rest multi-class classification for different disease states.
| (A) | Classification | Correct Classification | AUC (95% CI) | |||
| Healthy | Osteoporosis/Osteopenia | Sarcopenia | Osteosarcopenia | |||
| Healthy | 191 | 61 | - | - | 75.8% | - |
| Osteoporosis/Osteopenia | 16 | 129 | - | - | 89.0% | - |
| 80.6% | 0.90 (0.87–0.93) | |||||
| Healthy | 190 | - | 62 | - | 75.4% | - |
| Sarcopenia | 5 | - | 36 | - | 87.8% | - |
| 77.1% | 0.88 (0.83–0.93) | |||||
| Healthy | 229 | - | - | 23 | 90.9% | - |
| Osteosarcopenia | 7 | - | - | 66 | 90.4% | - |
| 90.8% | 0.97 (0.95–0.99) | |||||
| (B) | Classification | Correct Classification | AUC (95% CI) | |||
| Negative | Positive | |||||
| Osteoporosis/Osteopenia versus Rest | Negative (Healthy/Sarcopenia) |
213 | 80 | 72.7% | - | |
| Positive (Osteoporosis/Osteopenia) |
20 | 125 | 86.2% | - | ||
| 77.2% | 0.88 (0.84–0.91) | |||||
| Sarcopenia versus Rest | Negative (Healthy/Osteoporosis/Osteopenia) |
244 | 153 | 61.5% | - | |
| Positive (Sarcopenia) |
4 | 37 | 90.2% | - | ||
| 64.2% | 0.82 (0.76–0.88) | |||||