Table 1. Baseline Characteristics.
| Demographics | No. (%) |
|---|---|
| No. | 254 |
| Age, mean (SD), y | 70.9 (7.4) |
| Sex | |
| Female | 35 (14) |
| Male | 219 (86) |
| Health status | |
| Smoking status | |
| Current | 87 (34) |
| Former | 148 (58) |
| Never | 19 (7) |
| Hypercholesteremia | 196 (77) |
| Coronary artery disease | 104 (41) |
| Cancer | 82 (32) |
| Chronic obstructive pulmonary disease | 59 (23) |
| Diabetes | 57 (22) |
| Family history of abdominal aortic aneurysm | 47 (19) |
| Atrial fibrillation | 33 (13) |
| Stroke | 28 (11) |
| Congestive heart failure | 20 (8) |
| Medication | |
| Statin | 207 (82) |
| Any antihypertensive | 199 (78) |
| β-Blocker | 131 (52) |
| Diuretics | 83 (33) |
| Angiotensin-converting enzyme inhibitor | 88 (35) |
| Calcium channel blocker | 60 (24) |
| Angiotensin receptor blocker | 45 (18) |
| Aspirin or other antiplatelet | 187 (74) |
| Daily aspirin | 175 (69) |
| Other antiplatelet | 44 (17) |
| Baseline MTD, cm | |
| Men, No. | 219 |
| 3.50-3.99 | 49 (22) |
| 4.00-4.49 | 75 (34) |
| 4.50-5.04 | 95 (43) |
| Women, No. | 35 |
| 3.50-3.99 | 19 (54) |
| 4.00-4.52 | 16 (46) |
Abbreviation: MTD, maximum transverse diameter.