Table 5.
Sensitivity and specificity in the recalibrated Extended model.
| (a) Confusion matrix, threshold = 0.025 | ||
|---|---|---|
| Threshold = 0.025 | PPD | No PPD |
| Predicted PPD: yes | 6813 | 98,754 |
| Predicted PPD: no | 1968 | 353,922 |
| (b) Sensitivity and specificity for different threshold values, within the combined dataset consisting of 461,457 women | |||
|---|---|---|---|
| Threshold | Sens | Spec | PPV |
| 0.005 | 0.844 | 0.597 | 0.039 |
| 0.025a | 0.776 | 0.782 | 0.065 |
| 0.05 | 0.657 | 0.837 | 0.072 |
| 0.1 | 0.059 | 0.991 | 0.114 |
| 0.15 | 0.005 | 0.999 | 0.144 |
aMaximizes the sum of sensitivity and specificity.