PHQ-9 | PHQ-2 | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cut-point | Sens | Spec | % Classified | LR+ | LR- | DOR | PPV | NPV | Sens | Spec | % Classified | LR+ | LR- | DOR | PPV | NPV |
≥0 | 100.0% | 0.0% | 8.6% | 1.00 | 100.0% | 0.0% | 8.6% | 1.00 | ||||||||
≥1 | 95.4% | 15.7% | 22.5% | 1.13 | 0.30 | 3.80 | 0.10 | 0.97 | 90.7% | 38.3% | 42.7% | 1.47 | 0.24 | 6.04 | 0.12 | 0.98 |
≥2 | 90.7% | 26.5% | 32.0% | 1.23 | 0.35 | 3.52 | 0.10 | 0.97 | 74.4% | 71.7% | 72.0% | 2.63 | 0.36 | 7.38 | 0.20 | 0.97 |
≥3 | 90.7% | 42.8% | 46.9% | 1.59 | 0.22 | 7.30 | 0.13 | 0.98 | 32.6% | 94.6% | 89.3% | 5.99 | 0.71 | 8.40 | 0.36 | 0.94 |
≥4 | 86.1% | 57.2% | 59.6% | 2.01 | 0.24 | 8.23 | 0.16 | 0.98 | 25.6% | 98.7% | 92.5% | 19.61 | 0.75 | 26.01 | 0.65 | 0.93 |
≥5 | 79.1% | 68.3% | 69.2% | 2.49 | 0.31 | 8.13 | 0.19 | 0.97 | ||||||||
≥6 | 72.1% | 78.7% | 78.1% | 3.38 | 0.35 | 9.54 | 0.24 | 0.97 | 18.6% | 98.9% | 92.1% | 17.12 | 0.82 | 20.80 | 0.61 | 0.93 |
≥7 | 60.5% | 86.3% | 84.1% | 4.41 | 0.46 | 9.64 | 0.29 | 0.96 | 0.0% | 100.0% | 91.5% | 1.00 | 0.91 | |||
≥8 | 53.5% | 91.5% | 88.3% | 6.31 | 0.51 | 12.41 | 0.37 | 0.95 | ||||||||
≥9 | 46.5% | 93.5% | 89.5% | 7.13 | 0.57 | 12.46 | 0.40 | 0.95 | ||||||||
≥10 | 34.9% | 95.7% | 90.5% | 8.02 | 0.68 | 11.79 | 0.43 | 0.94 | ||||||||
≥11 | 34.9% | 96.3% | 91.1% | 9.44 | 0.68 | 13.96 | 0.47 | 0.94 | ||||||||
≥12 | 30.2% | 97.2% | 91.5% | 10.70 | 0.72 | 14.90 | 0.50 | 0.94 | ||||||||
≥13 | 25.6% | 98.3% | 92.1% | 14.71 | 0.76 | 19.42 | 0.58 | 0.93 | ||||||||
≥14 | 23.3% | 98.3% | 91.9% | 13.37 | 0.78 | 17.12 | 0.56 | 0.93 | ||||||||
≥15 | 20.9% | 98.5% | 91.9% | 13.75 | 0.80 | 17.13 | 0.56 | 0.93 | ||||||||
≥16 | 18.6% | 99.1% | 92.3% | 21.40 | 0.82 | 26.06 | 0.67 | 0.93 | ||||||||
≥18 | 16.3% | 99.1% | 92.1% | 18.72 | 0.84 | 22.17 | 0.64 | 0.93 | ||||||||
≥19 | 16.3% | 99.4% | 92.3% | 24.96 | 0.84 | 29.62 | 0.70 | 0.93 | ||||||||
≥20 | 16.3% | 99.6% | 92.5% | 37.44 | 0.84 | 44.53 | 0.78 | 0.93 | ||||||||
≥21 | 14.0% | 99.6% | 92.3% | 32.09 | 0.86 | 37.14 | 0.75 | 0.93 | ||||||||
≥22 | 14.0% | 99.8% | 92.5% | 64.19 | 0.86 | 74.44 | 0.86 | 0.93 | ||||||||
≥24 | 14.0% | 100.0% | 92.6% | 0.86 | 1.00 | 0.93 | ||||||||||
≥25 | 9.3% | 100.0% | 92.3% | 0.91 | 1.00 | 0.92 | ||||||||||
≥27 | 7.0% | 100.0% | 92.1% | 0.93 | 1.00 | 0.92 | ||||||||||
> 27 | 0.0% | 100.0% | 91.5% | 1.00 | 0.91 | |||||||||||
Area Under ROC curve: 0.809 (95% CI: 0.731, 0.887) | Area Under ROC curve: 0.777 (95% CI: 0.703, 0.851) |