Table 3 Receiver operating characteristics of different CGA abnormal definitions for the prediction of increased length of hospital stay (≥7 days)
|  | Sensitivity (true positive rate) | Specificity (true negative rate) | 1-Specificity (false positive rate) | Youden’s J (true positive - false positive rate) |
|---|---|---|---|---|
Impairment of ADL plus another domain | 0.493 | 0.730 | 0.270 | 0.223 |
Alternative definition A: Impairment of ADL plus cognition impairment or signs of depression | 0.415 | 0.790 | 0.210 | 0.205 |
Alternative definition B: Impairment of ADL plus mobility impairment | 0.364 | 0.818 | 0.182 | 0.182 |