Performance measure | White cohort (95% CI) | South Asian cohort (95% CI) |
---|---|---|
Discrimination | ||
C-index (up to 5 years) | 0.908 (0.887, 0.930) | 0.954 (0.937, 0.971) |
Calibration | ||
O/E ratio | 0.623 (0.505, 0.740) | 0.979 (0.789, 1.169) |
Calibration intercept | –0.394 (–0.555, –0.232) | 0.107 (–0.159, 0.373) |
Calibration slope | 1.05 (0.920, 1.18) | 0.843 (0.690, 0.995) |
Overall fit | ||
Brier score | 0.011 (0.010, 0.012) | 0.029 (0.022, 0.035) |
Scaled brier score (%) | 24.6 (16.6, 31.1) | 34.7 (20.7, 45.4) |