Appendix 1.
Weighted scoring system for the Charlson comorbidity indexa
| Assigned Weight for Diseases | Condition |
|---|---|
| 1 | Myocardial infarction |
| CHF | |
| PVD | |
| CVD | |
| Dementia | |
| Chronic pulmonary disease | |
| Connective tissue disease | |
| Ulcer disease | |
| Mild liver disease | |
| Diabetes | |
| 2 | Hemiplegia |
| Moderate or severe renal disease | |
| Diabetes with end-organ damage | |
| Any tumor | |
| Leukemia | |
| Lymphoma | |
| 3 | Moderate or severe liver disease |
| 6 | Metastatic solid tumor |
| AIDS |
a
The total equals the score. Example: Chronic pulmonary (1), severe renal disease (2), and myocardial infarction (1) = total score (4) (16).