PHQ-9 threshold | Sensitivity (95% CI) | Specificity (95% CI) | PPV (95% CI) | NPV (95% CI) |
---|---|---|---|---|
≥4 | 0.89 (0.84-0.94) | 0.64 (0.61-0.67) | 0.27 (0.23-0.31) | 0.97 (0.96-0.98) |
≥5 | 0.86 (0.81-0.91) | 0.75 (0.73-0.77) | 0.34 (0.30-0.38) | 0.97 (0.96-0.98) |
≥6 | 0.82 (0.76-0.88) | 0.82 (0.80-0.84) | 0.41 (0.36-0.46) | 0.97 (0.96-0.98) |
≥7 | 0.74 (0.68-0.80) | 0.87 (0.85-0.89) | 0.47 (0.41-0.53) | 0.96 (0.95-0.97) |
≥8 | 0.65 (0.58-0.72) | 0.90 (0.88-0.92) | 0.51 (0.44-0.58) | 0.94 (0.93-0.95) |
≥9 | 0.57 (0.50-0.64) | 0.93 (0.92-0.94) | 0.55 (0.48-0.62) | 0.94 (0.93-0.95) |
≥10 | 0.49 (0.42-0.56) | 0.95 (0.94-0.96) | 0.59 (0.51-0.67) | 0.93 (0.92-0.94) |
≥11 | 0.44 (0.37-0.51) | 0.96 (0.95-0.97) | 0.61 (0.53-0.61) | 0.92 (0.90-0.94) |
≥12 | 0.39 (0.32-0.46) | 0.97 (0.96-0.98) | 0.64 (0.55-0.74) | 0.92 (0.89-0.93) |
PHQ-9 algorithm | 0.28 (0.21-0.35) | 0.98 (0.97-0.99) | 0.69 (0.58-0.80) | 0.90 (0.88-0.92) |
PHQ-9 adjusted algorithm | 0.84 (0.79-0.89) | 0.81 (0.79-0.83) | 0.40 (0.35-0.45) | 0.97 (0.96-0.98) |
PHQ-2 threshold | Â | Â | Â | Â |
≥1 | 0.90 (0.86-0.94) | 0.58 (0.55-0.61) | 0.24 (0.21-0.27) | 0.98 (0.97-0.99) |
≥2 | 0.81 (0.75-0.84) | 0.76 (0.74-0.78) | 0.34 (0.29-0.39) | 0.96 (0.95-0.97) |
≥3 | 0.42 (0.35-0.49) | 0.94 (0.93-0.95) | 0.53 (0.45-0.61) | 0.91 (0.89-0.93) |
≥4 | 0.31 (0.24-0.38) | 0.97 (0.96-0.98) | 0.64 (0.54-0.74) | 0.90 (0.88-0.92) |
≥5 | 0.19 (0.13-0.25) | 0.99 (0.98-1.00) | 0.69 (0.56-0.82) | 0.89 (0.87-0.91) |
≥6 | 0.14 (0.09-0.19) | 0.99 (0.98-1.00) | 0.67 (0.52-0.82) | 0.88 (0.86-0.90) |