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Performance and Validation of Prediction Models
| In-hospital Mortality C Statistic (95%CI) |
Pa | |
|---|---|---|
| Development(n = 1643) | ||
| Model A | 0.882 (0.855–0.909) | 0.925 |
| Model B | 0.893 (0.865–0.920) | 0.240 |
| Internal Validationb | ||
| Model A | 0.878 (0.851–0.905) | – |
| Model B | 0.890 (0.862–0.917) | – |
| External Validation(n = 676) | ||
| Model A | 0.868 (0.816–0.921) | 0.046 |
| Model B | 0.875 (0.824–0.927) | 0.152 |
aH-L tests
bInternal validation with 200 bootstrap re-samples using Harrell’s validation function
