Likelihood ratio | ||||
---|---|---|---|---|
Screening question | Sensitivity % (95% CI) | Specificity % (95% CI) | Positive test (95% CI) | Negative test (95% CI) |
Both questions | 97 (83 to 99) | 67 (62 to 72) | 2.9 (2.5 to 3.4) | 0.05 (0.01 to 0.35) |
Depression only question | 86 (69 to 95) | 72 (67 to 76) | 3.0 (2.5 to 3.8) | 0.19 (0.08 to 0.48) |
Pleasure only question | 83 (66 to 92) | 79 (74 to 82) | 3.9 (3.0 to 5.0) | 0.22 (0.1 to 0.49) |