Charlson Comorbidity Index.
| Early Onset (%) | Late Onset (%) | p | |
|---|---|---|---|
| Charlson Index score (mean ± SD) | 1.25 ± 0.75 | 1.43 ± 1.12 | 0.01* |
| Congestive heart failure | 13 (1.9) | 8 (7.1) | 0.02* |
| Myocardial infarction | 19 (2.8) | 8 (7.1) | 0.1 |
| Peripheral vascular disease | 8 (1.2) | 0 | 0.2 |
| Cerebrovascular disease | 49 (7.2) | 12 (10.6) | 0.4 |
| Dementia | 1 (0.1) | 1 (0.9) | 0.4 |
| Peptic ulcer disease | 29 (4.3) | 14 (12.5) | 0.006* |
| Moderate to severe renal disease | 25 (3.7) | 0 | 0.02* |
| COPD | 16 (2.4) | 7 (6.2) | 0.1 |
| Mild liver disease | 3 (0.4) | 3 (2.7) | 0.1 |
| Diabetes—mild to moderate | 19 (2.8) | 8 (7.1) | 0.1 |
| Diabetes with end organ damage | 3 (0.4) | 2 (2.7) | 0.1 |
| Any tumor | 19 (2.8) | 8 (7.1) | 0.09 |
↵* Statistically significant. COPD: chronic obstructive pulmonary disease.