Table 3 Performance of the BATT score
BATT score | 95% CI | |
|---|---|---|
Overall performance | ||
Brier score | 0.0107 | |
Scaled Brier score (%) | 6 | |
Discrimination | ||
C-statistic | 0.90 | 0.89–0.91 |
Mean predicted death due to bleeding (%) | ||
If patient died from bleeding | 6.5 | |
If patient did not die from bleeding | 1.1 | 1.1–1.1 |
Discrimination slope (%) | 5.4 | 0.053–0.056 |
Calibration | ||
Observed deaths due to bleeding (%) | 1.16 | 1.1–1.2 |
Predicted deaths due to bleeding (%) | 1.15 | 1.1–1.2 |
Calibration-in-the-large (%) | 0.01 | 0.00–0.01 |
Ratio Predicted/Observed | 0.99 | 0.94–1.05 |
Calibration Intercept | 0.00032 | |
Calibration slope | 1.09 | 1.07–1.11 |