| Comorbidity | Prevalence in the study population |
| Diabetes mellitus | 45.8% |
| Hypertension | 75.8% |
| Coronary artery disease | 22.5% |
| Congestive heart failure | 7.5% |
| Other cardiovascular diseases | 11.7% |
| Cerebrovascular disease | 5.0% |
| Peripheral vascular disease | 13.3% |
| Chronic pulmonary disorders | 9.2% |