Table 1.
Test characteristics for previously defined cut-points for depression and anxiety screening measures.
| Instrument | Cutpoint⩾ | Sens | Spec | PPV | NPV | Internal consistency (Cronbach’s alpha) | Test–retest Intraclass correlation coefficient |
|---|---|---|---|---|---|---|---|
| Depression | |||||||
| PHQ-2 | 3 | 0.68 | 0.86 | 0.35 | 0.96 | 0.80 | 0.86 |
| PHQ-9 | 10 | 0.84 | 0.76 | 0.29 | 0.97 | 0.87 | 0.85 |
| PHQ-9 | 12 | 0.80 | 0.84 | 0.36 | 0.97 | – | – |
| PHQ-9 | 7 | 0.76 | 0.76 | 0.27 | 0.96 | – | – |
| HADS-D | 8 | 0.69 | 0.81 | 0.30 | 0.96 | 0.82 | 0.83 |
| HADS-D | 11 | 0.31 | 0.95 | 0.40 | 0.92 | – | – |
| PROMIS-D | T score 57.7 | 0.85 | 0.78 | 0.31 | 0.98 | 0.95 | 0.85 |
| PROMIS-D D | T score 60 | 0.69 | 0.85 | 0.35 | 0.96 | – | – |
| Kessler-6 | 15 | 0.81 | 0.80 | 0.32 | 0.97 | ||
| Kessler-6 | 19 | 0.31 | 0.94 | 0.36 | 0.92 | 0.87 | 0.87 |
| Anxiety | |||||||
| GAD-7 | 7 | 0.91 | 0.72 | 0.13 | 0.99 | ||
| GAD-7 | 10 | 0.54 | 0.83 | 0.13 | 0.97 | 0.92 | 0.76 |
| OASIS | 8 | 0.73 | 0.81 | 0.15 | 0.98 | 0.90 | 0.73 |
| HADS-A | 8 | 0.82 | 0.68 | 0.10 | 0.99 | 0.86 | 0.83 |
| HADS-A | 9 | 0.82 | 0.59 | 0.08 | 0.99 | – | – |
| HADS-A | 11 | 0.64 | 0.86 | 0.18 | 0.98 | – | – |
| PROMIS Anxiety | T score 60 | 0.73 | 0.83 | 0.16 | 0.98 | 0.95 | 0.79 |
| PROMIS Anxiety | T score 54.3 | 0.82 | 0.62 | 0.09 | 0.99 | – | – |
Sens: sensitivity; spec: specificity; PPV: positive predictive value; NPV: negative predictive value; PHQ-2: Patient Health Questionnaire-2; PHQ-9: Patient Health Questionnaire-9; GAD-7: Generalized Anxiety Disorder-7; OASIS: Overall Anxiety and Severity Impairment Scale; HADS-D: Hospital Anxiety and Depression Scale—depression score; HADS-A: Hospital Anxiety and Depression Scale—anxiety score; PROMIS-D: Patient Reported Outcomes Measurement Information System- Depression 8a; PROMIS-A: PROMIS-Anxiety 8a.