Measures of discrimination and calibration in the Casale Monferrato Study, by selected variables
| All-causes mortality | Cardiovascular mortality | |
|---|---|---|
| Discrimination | ||
| C statistic | ||
| Nonmodifiable risk factors (age, sex, and diabetes duration) (model 1) | 0.706 | 0.717 |
| Established risk factors (model 2) | 0.744 | 0.793 |
| Established risk factors plus AER | 0.750 | 0.799 |
| Established risk factors plus AER and CRP | 0.756 | 0.802 |
| LR test | ||
| Established risk factors (model 2) | LR = 66, df = 11, P < 0.0001 | LR = 61.85, df = 11, P < 0.0001 |
| Established risk factors plus AER | LR = 10.76, df = 1, P = 0.001 | LR = 4.69, df = 1, P = 0.03 |
| Established risk factors plus AER and CRP | LR = 9.94, df = 1, P = 0.002 | LR = 3.03, df = 1, P = 0.08 |
| Bayes information criterion | ||
| Nonmodifiable risk factors (age, sex, and diabetes duration) (model 1) | 4,021.24 | 1,693.40 |
| Established risk factors | 4,036.78 | 1,713.18 |
| Established risk factors plus AER | 4,033.45 | 1,715.90 |
| Established risk factors plus AER and CRP | 4,030.93 | 1,720.29 |
| Calibration | ||
| Grønnesby and Borgan test | ||
| Nonmodifiable risk factors (age, sex, and diabetes duration) (model 1) | P = 0.28 | P = 0.10 |
| Established risk factors | P = 0.44 | P = 0.21 |
| Established risk factors plus AER | P = 0.42 | P = 0.27 |
| Established risk factors plus AER and CRP | P = 0.10 | P = 0.28 |