Table 2 Performance of PHQ-9 at different cut-off points to detect Major Depressive Episode according to MINI
From: Validation and calibration of the patient health questionnaire (PHQ-9) in Argentina
PHQ-9 cutoff | Sensitivity % | Specificity % | PPV | NPV | LR+ | LR- | Youden’s Index (J) |
|---|---|---|---|---|---|---|---|
> = 6 | 93.14% | 74.63% | 84.82% | 87.72% | 3.67 | 0.09 | 0.68 |
> = 7 | 90.20% | 82.09% | 88.46% | 84.62% | 5.04 | 0.12 | 0.72 |
> = 8 | 88.24% | 86.57% | 90.91% | 82.86% | 6.57 | 0.14 | 0.75 |
> = 9 | 86.27% | 86.57% | 90.72% | 80.56% | 6.42 | 0.16 | 0.73 |
> = 10 | 81.37% | 89.55% | 92.22% | 75.95% | 7.79 | 0.21 | 0.71 |