Table 2 Sensitivity and specificity by depression scale
Scale Cutoff | Sensitivity | Specificity | Area under the curve (AUC) | Positive predictive value | Negative predictive value |
|---|---|---|---|---|---|
Four | 95.2% | 86.6% | 0.909 | 54.1% | 99.1% |
Five | 92.9% | 91.3% | 0.921 | 63.9% | 98.7% |
Six | 88.1% | 96.5% | 0.923 | 80.4% | 98.0% |
Seven | 78.6% | 98.0% | 0.883 | 86.8% | 96.5% |
Eight | 73.8% | 99.2% | 0.865 | 93.9% | 95.8% |
Nine | 57.1% | 99.6% | 0.784 | 96.0% | 93.4% |
Ten | 40.5% | 99.6% | 0.700 | 94.4% | 91.0% |