Model performance statistics
Model | Discrimination (c-statistic) | Calibration in the large (alpha) | Logistic miscalibration (beta) |
|---|---|---|---|
Development population | |||
Duke model (1993) | 0.763 (0.725–0.800) | −1.108 (-1.305, 0.911); p<0.001 | −0.298 (-0.416,–0.180); p<0.001 |
Genders et al (2012) Basic | 0.770 (0.733–0.806) | 0.713 (0.532, 0.893); p<0.001 | −0.015 (-0.131, 0.101); p=0.803 |
Genders et al (2012) Clinical | 0.762 (0.725–0.7995) | 0.822 (0.639, 1.005); p<0.001 | −0.051 (-0.159, 0.057); p=0.354 |
Validation population | |||
CEMARC | 0.777 (0.731–0.824) | 0.045 (-0.190, 0.280); p=0.709 | 0.028 (-0.214, 0.269); p=0.823 |
Pryor et al (1993) | 0.752 (0.704–0.801) | −1.016 (-1.265,–0.766); p<0.001 | −0.207 (-0.363,–0.050); p=0.010 |
Genders et al (2012) Basic | 0.755 (0.706–0.803) | 0.738 (0.507, 0.969); p<0.001 | −0.007 (-0.182, 0.169); p=0.940 |
Genders et al (2012) Clinical | 0.752 (0.703–0.800) | 0.866 (0.629, 1.103); p<0.001 | −0.054 (-0.121, 0.105); p=0.507 |