Model validation
| Internal | External | |||
|---|---|---|---|---|
| R2, % (SD) | C-statistic (SD) | R2, % (SD) | C-statistic (SD) | |
| Unfavorable outcome | ||||
| TBV model | 52 (0.6) | 0.88 (0.01) | 56 (1.8) | 0.89 (0.01) |
| mFisher model | 43 (0.9) | 0.84 (0.01) | 45 (3) | 0.85 (0.01) |
| Location-specific model | 50 (0.8) | 0.88 (0.01) | 56 (1) | 0.89 (0.00) |
| Death | ||||
| TBV model | 48 (0.8) | 0.87 (0.01) | 50 (1.2) | 0.89 (0.00) |
| mFisher model | 42 (1.4) | 0.85 (0.01) | 42 (2.6) | 0.85 (0.01) |
| Location-specific mode | 47 (1.0) | 0.87 (0.01) | 49 (1.3) | 0.88 (0.01) |
Note:–mFisher indicates modified Fisher scale.