Table 1 Results of net-benefit analysis to select a cut-off value for the obstetric comorbidity index
From: Methodology for sampling women at high maternal risk in administrative data
Cut-off value | Sensitivity | Specificity | Positive predictive value | Net benefit per 1000 live births |
|---|---|---|---|---|
2 | 0.52 | 0.87 | 0.02 | − 185.7 |
3 | 0.38 | 0.96 | 0.04 | −0.17 |
4 | 0.16 | 0.99 | 0.06 | 0.63 |
5 | 0.16 | 0.99 | 0.08 | 0.33 |
6 | 0.03 | 0.99 | 0.09 | 0.12 |
7 | 0.01 | 0.99 | 0.12 | 0.05 |