Table 5.
Receiver Operator Characteristic (ROC) curve statistics
| Comparing not frail with pre-frail | Comparing pre-frail with frail | |
|---|---|---|
| Factor 1 | ||
| AUC | 0.64 | 0.60 |
| 95%CI | 0.60–0.68 | 0.53–0.66 |
| p | < 0.01 | 0.33 |
| Youden index | 0.23 | 0.12 |
| threshold score | > 114 | > 213 |
| Sens | 62.9 | 58.3 |
| Spec | 59.8 | 64.8 |
| Factor 3 | ||
| AUC | 0.65 | |
| 95%CI | 0.59–0.70 | |
| p | < 0.01 | |
| Youden index | 0.37 | |
| threshold score | > 68.3 | |
| Sens | 75.0 | |
| Sp | 61.7 | |
| Factor 5 | ||
| AUC | 0.63 | |
| 95%CI | 0.56–0.69 | |
| p | 0.25 | |
| Youden index | 016 | |
| threshold score | > 37 | |
| Sens | 33.3 | |
| Spec | 92.2 | |
| Factor 7 | ||
| AUC | 0.55 | 0.61 |
| 95%CI | 0.52–0.58 | 0.55–0.67 |
| p | < 0.05 | 0.17 |
| Youden index | 0.07 | 0.16 |
| threshold score | > 40 | > 40 |
| Sens | 58.9 | 75.0 |
| Spec | 48.2 | 41.0 |