PHQ-9 | PHQ-2 | |||||||
---|---|---|---|---|---|---|---|---|
Cut point | Sensitivity (%) | Specificity (%) | Correctly classified (%) | LR + a | LR-b | Sensitivity (%) | Specificity (%) | Correctly classified (%) |
(≥0) | 100.0 | 0.0 | 11.4 | 1.000 | 100.0 | 0.0 | 11.4 | |
(≥1) | 100.0 | 21.4 | 30.3 | 1.2718 | 0.0000 | 80.5 | 57.9 | 60.5 |
(≥2) | 97.4 | 37.1 | 43.9 | 1.5476 | 0.0701 | 59.7 | 83.5 | 80.8 |
(≥3) | 90.9 | 52.4 | 56.8 | 1.9107 | 0.1734 | 39.0 | 91.7 | 85.7 |
(≥4) | 87.0 | 63.3 | 66.0 | 2.3691 | 0.2053 | 19.5 | 97.8 | 88.9 |
(≥5) | 80.5 | 71.8 | 72.8 | 2.8539 | 0.2714 | 9.1 | 99.3 | 89.1 |
(≥6) | 71.4 | 79.1 | 78.2 | 3.4229 | 0.3611 | 0.0 | 100.0 | 88.6 |
(≥7) | 64.9 | 85.6 | 83.3 | 4.5228 | 0.4094 | |||
(≥8) | 53.2 | 90.6 | 86.4 | 5.6955 | 0.5157 | |||
(≥9) | 49.3 | 93.7 | 88.6 | 7.7792 | 0.5408 | |||
(≥10) | 41.6 | 96.5 | 90.2 | 11.8540 | 0.6056 | |||
(≥11) | 36.4 | 98.2 | 91.1 | 19.8016 | 0.6483 | |||
(≥12) | 32.5 | 98.5 | 91.0 | 21.6090 | 0.6856 | |||
(≥13) | 26.0 | 98.5 | 90.2 | 17.2872 | 0.7516 | |||
(≥14) | 24.7 | 98.8 | 90.4 | 21.1150 | 0.7622 | |||
(≥15) | 19.5 | 99.5 | 90.4 | 38.8963 | 0.8092 | |||
(≥16) | 14.3 | 99.7 | 89.9 | 42.7863 | 0.8600 | |||
(≥17) | 9.1 | 99.7 | 89.4 | 27.2276 | 0.9121 | |||
(≥19) | 9.1 | 99.4 | 89.5 | 54.4541 | 0.9106 | |||
(≥20) | 3.9 | 99.8 | 88.9 | 23.3375 | 0.9626 | |||
(≥21) | 2.6 | 99.8 | 88.8 | 15.5583 | 0.9757 | |||
(≥22) | 1.3 | 100.0 | 88.8 | 0.9870 | ||||
(≥22) | 0.0 | 100.0 | 88.6 | 1.0000 |