Cohort characteristics by age or procedure
| Overall | Age | Procedure | |||
|---|---|---|---|---|---|
| <80 | 80+ | CAS | CEA | ||
| Characteristics | |||||
| Age (mean) (SEM) | 71.2 (0.04) | 71.2 (0.12) | 71.2 (0.04) | ||
| % Total | 79.7 | 20.3 | |||
| % Age 80+ | 21.4 | 20.2 | |||
| Sex | |||||
| % Male | 57.5 | 58.3 | 54.6 | 60 | 57.2 |
| Race (%) | |||||
| Nonwhite | 34.2 | 34.9 | 31.5 | 31.6 | 34.6 |
| White | 65.8 | 65.1 | 68.5 | 68.4 | 65.4 |
| Comorbid conditions (%) | |||||
| Contralateral stenosis | 17.2 | 17.2 | 17.4 | 19.7 | 16.8 |
| Renal disease | 6.3 | 5.8 | 8.6 | 7.6 | 6.1 |
| MI | 50 | 49.7 | 51.2 | 56.9 | 49 |
| CHF | 7.9 | 7.2 | 10.7 | 11.6 | 7.4 |
| Atrial fibrillation | 8.8 | 7.1 | 15.2 | 9.0 | 8.7 |
| Hyperlipidemia | 51.3 | 52.2 | 47.9 | 53.1 | 51.1 |
| COPD | 18.4 | 19.2 | 15.5 | 17.7 | 18.6 |
| Diabetes | 30.8 | 32.3 | 25 | 30.1 | 30.9 |
| Hypertension | 78.6 | 78.5 | 79 | 74.9 | 79.2 |
| Valve disease | 8.3 | 7.2 | 12.6 | 8.4 | 8.2 |
| Tobacco use or history | 34.2 | 37.7 | 20.4 | 27.3 | 35.2 |
| Hospital type (%) | |||||
| Nonteaching | 53.4 | 53 | 55.1 | 41.6 | 55.1 |
| Teaching | 46.6 | 47 | 44.9 | 58.4 | 44.9 |
| Hospital bed size (%) | |||||
| Small | 10.7 | 10.5 | 11.8 | 10.6 | 10.8 |
| Medium | 22.8 | 22.8 | 22.9 | 19.2 | 23.4 |
| Large | 66.4 | 66.7 | 65.3 | 70.2 | 65.9 |