Criterion related validity, sensitivity, and specificity indices and cut off values for the AES and LARS scales, with respect to dichotomous expert judgments of apathy
| Scale | Cut off scores | Accuracy | κ | Sensitivity | Specificity |
|---|---|---|---|---|---|
| AES, apathy evaluation scale; LARS, Lille Apathy Rating Scale. | |||||
| LARS | ⩾−17 | 0.89 | 0.76 | 0.94 | 0.87 |
| ⩾−16 | 0.91 | 0.79 | 0.89 | 0.92 | |
| ⩾−15 | 0.91 | 0.79 | 0.87 | 0.93 | |
| AES | >20 | 0.85 | 0.65 | 0.81 | 0.87 |
| >21 | 0.86 | 0.65 | 0.77 | 0.89 | |
| >22 | 0.84 | 0.61 | 0.68 | 0.91 | |