Table 2 Sensitivity, specificity, and likelihood ratios at various cut-off points of the Latvian version of the PHQ-9
PHQ-9 score | Sensitivity (%) | Specificity (%) | Classified (%) | LR+ | LR− |
|---|---|---|---|---|---|
≥ 6 | 82.3 | 69.6 | 70.7 | 2.71 | 0.25 |
≥ 7 | 77.2 | 77.3 | 77.3 | 3.40 | 0.29 |
≥ 8 | 74.7 | 83.7 | 82.9 | 4.57 | 0.30 |
≥ 9 | 70.9 | 87.9 | 86.4 | 5.84 | 0.33 |
≥ 10 | 60.8 | 91.1 | 88.5 | 6.84 | 0.43 |
≥ 11 | 55.7 | 94.1 | 90.8 | 9.47 | 0.47 |
≥ 12 | 49.4 | 95.8 | 91.8 | 11.75 | 0.53 |
≥ 13 | 44.3 | 97.4 | 92.8 | 16.78 | 0.57 |
≥ 14 | 36.7 | 98.2 | 92.9 | 20.39 | 0.64 |