Table 5.
Discrimination and calibration of models in test dataset (n = 6721)
| Model | Comorbidity measure | Area under curve (95% CI) | H-L statistic (p-value) |
|---|---|---|---|
| Injury group |
None |
0.600 (0.587, 0.613) |
35.52 (<0.0001) |
| Injury group and age group |
None |
0.678 (0.665, 0.690) |
25.64 (0.001) |
| Injury group, age group and comorbidity |
Number of ICD-10 chapters |
0.704 (0.692, 0.717) |
19.12 (0.014) |
| Injury group, age group and comorbidity |
ICD-10 chapters |
0.703 (0.691, 0.716) |
22.61 (0.004) |
| Injury group, age group and comorbidity |
Number of Haagsma conditions |
0.701 (0.689, 0.713) |
20.31 (0.009) |
| Injury group, age group and comorbidity |
Haagsma conditions |
0.701 (0.688, 0.713) |
18.47 (0.018) |
| Injury group, age group and comorbidity |
CCI weight category |
0.696 (0.683, 0.708) |
19.78 (0.011) |
| Injury group, age group and comorbidity |
FCI score |
0.694 (0.681, 0.706) |
16.71 (0.033) |
| Injury group, age group and comorbidity | FCI conditions | 0.691 (0.678, 0.703) | 18.84 (0.016) |