Prevalence of comorbidities in octogenarians with cardiac valve disease
| Coronary artery disease | 40–60% |
| Obstructive lung disease | 15–25% |
| Renal insufficiency | 5–10% |
| Peripheral vascular disease | 2–10% |
| Cerebrovascular disease | 5–25% |
| Hypertension | 20–50% |
| Diabetes | 10–20% |