Table 3 Accuracy and net benefit of high maternal risk models to predict severe maternal morbidity or direct obstetric death
From: Methodology for sampling women at high maternal risk in administrative data
Obstetric comorbidity index | Unweighted comorbidities | |
|---|---|---|
Total High Risk | 7260 (1.3%) | 193,247 (35.1%) |
True Positives | 436 | 1588 |
Sensitivity | 16.4% | 59.8% |
Specificity | 98.7% | 65% |
Accuracy | 98% | 65% |
Positive Predictive Value | 6% | 0.8% |
Negative Predictive Value | 99.6% | 99.7% |
OR (95% CI) | 15.6 (14.0, 17.3) | 2.8 (2.6, 3.0) |
Net Benefit | 0.7 | −185.7 |