Predictive validity of the DISCs, NGRS, Yale question, and BDI-II against the DSM-IV criteria for case diagnosis of depression (n = 114)
| DISCs score⩾2 | NGRS score⩾4 | Yale question | BDI-II score⩾14 | |
|---|---|---|---|---|
| BDI, Beck Depression Inventory; DISCs, Depression Intensity Scale Circles; DSM, Diagnostic and Statistical Manual of Mental Disorders; NGRS, Numbered Graphic Rating Scale. | ||||
| Sensitivity | 60% | 64% | 68% | 74% |
| Specificity | 87% | 85% | 73% | 80% |
| Positive predictive valve | 75% | 74% | 62% | 69% |
| Negative predictive value | 77% | 78% | 78% | 84% |