Table 2.
Diagnostic performance of questionnaires for detection of major depressive disorder
| Sensitivity % | Specificity % | + LR | - LR | |
|---|---|---|---|---|
| PHQ-9 algorithm | 77.5 (66.5-85.7) | 75.2(65.6-82.9) | 3.1(2.1-4.4) | 0.2(0.1-0.4) |
| PHQ-9(score ≥ 10) | 83.8(73.4-90.7) | 65.7(55.7-74.5) | 2.4(1.8-3.2) | 0.2(0.1-0.4) |
| PHQ-9(score ≥ 13) | 73.8(62.5-82.6) | 76.2(66.6-83.7) | 3.1(2.1-4.4) | 0.3(0.2-0.5) |
| CES-D(score ≥ 16) | 90 (80.7-95.2) | 60 (49.9-69.2) | 2.2(1.7-2.8) | 0.2(0.0-0.3) |
| CES-D(score ≥ 22) | 82.5(72.-89.7) | 77.1(67.7-84.5) | 3.6(2.5-5.2) | 0.2(0.1-0.3) |
| CES-D(score ≥ 23) | 78.8(67.8-86.7) | 77.1(67.7-84.5) | 3.4(2.3-4.9) | 0.2(0.1-0.4) |