Table 6. Characteristics of subjects recruited in the PeriOperative Epidural Trial Pilot Study.
| Descriptor | Epidural Group (n = 49) | IV Group (n = 49) |
| Mean age±SD, year | 70.9±7.6 | 70.3±8.6 |
| Sex, n (%) | ||
| Female | 12 (24.5) | 15 (30.6) |
| Male | 38 (77.6) | 36 (73.5) |
| Comorbid conditions, n (%) | ||
| Coronary artery disease | 14 (28.6) | 12 (24.5) |
| Peripheral vascular disease | 13 (26.5) | 11 (22.4) |
| Stroke/transient ischemic attack | 1 (2.0) | 4 (8.2) |
| Congestive heart failure | 2 (4.1) | 0 (0.0) |
| Hypertension | 34 (69.4) | 31 (63.3) |
| Diabetes mellitus | 11 (22.4) | 14 (28.6) |
| Chronic renal dysfunction | 2 (4.1) | 0 (0.0) |
| Smoker | ||
| Former | 18 (36.7) | 24 (49.0) |
| Current | 11 (22.4) | 7 (14.3) |
| Chronic obstructive pulmonary disease | 4 (8.2) | 7 (14.3) |
| Medication history, n (%) | ||
| Aspirin | 16 (32.6) | 21 (42.8) |
| Clopidogrel/ticlopidine | 2 (4.1) | 2 (4.1) |
| Warfarin | 1 (2.0) | 2 (4.1) |
| Heparins | 1 (2.0) | 2 (4.1) |
| Statins | 26 (53.1) | 22 (44.9) |
| Nitrates | 2 (4.1) | 4 (8.2) |
| Diuretics | 15 (30.6) | 15 (30.6) |
| ACE inhibitors/angiotensin II receptor blockers | 23 (46.9) | 19 (38.8) |
| Beta-adrenergic blockers | 16 (32.6) | 21 (42.8) |
| Calcium channel blockers | 8 (16.3) | 17 (34.7) |
| Digoxin | 2 (4.1) | 3 (6.1) |
| Amiodarone | 1 (2.0) | 2 (4.1) |
| Beta-agonist bronchodilators | 1 (2.0) | 1 (2.0) |
| Inhaled steroids | 3 (6.1) | 1 (2.0) |
Abbreviation: ACE, angiotensin converting enzyme; SD, standard deviation.