Table 3 Stratification ability of the predictive model to identify women with and without the outcome (delivery within 7 days)
From: Timing of delivery in a high-risk obstetric population: a clinical prediction model
Delivery within 7 days | Delivery after 7 days | Total | |||||
|---|---|---|---|---|---|---|---|
Predicted probability | N | Calibration (% in probability category) | Stratification (% of all women with outcome) | N | Calibration (% in probability category) | Stratification (% of all women without outcome) | |
0–14.9% | 14 | 6.0 | 1.0 | 219 | 94.0 | 14.2 | 233 |
15.0–19.9% | 34 | 15.1 | 2.3 | 191 | 84.9 | 12.4 | 225 |
20.0–49.9% | 392 | 41.2 | 26.6 | 560 | 58.8 | 36.4 | 952 |
50.0–64.9% | 668 | 59.7 | 45.3 | 450 | 40.3 | 29.2 | 1118 |
≥65.0% | 365 | 75.4 | 24.8 | 119 | 24.6 | 7.7 | 484 |
Total | 1473 | 100 | 1539 | 100 | 3012 | ||