Table 3 Validation psychometric properties
| DSRS (18 items) | CPSS (17 items) | ||
|---|---|---|---|
| No indication to treat group (n = 134) | Mean (SD) | 11.0 (3.2) | 16.5 (5.8) |
| Indication to treat group (n = 28) | Mean (SD) | 15.6 (4.1) | 22.6 (6.4) |
| Group Differences | T-test | 6.52 | 5.00 |
| p-value | <. 001 | <. 001 | |
| Psychometrics | AUC | 0.82 | 0.77 |
| Cutoff score | ≥ 14 | ≥ 20 | |
| Sensitivity | 0.71 | 0.68 | |
| Specificity | 0.81 | 0.73 | |
| Positive Predictive Value | 0.36 | 0.35 | |
| Negative Predictive Value | 0.95 | 0.92 | |
| Reliability (Cronbach's alpha) | 0.67 | 0.86 | |
| Test-Retest Reliability | 0.80 | 0.85 |