Comparison of clinical, exercise electrocardiographic, and inotropic stress imaging data between subjects with and without multivessel disease (MVD)
| Multivessel disease | |||
|---|---|---|---|
| Absent (n = 44) | Present (n = 56) | p value | |
| Clinical variables | |||
| Age (years) | 58.4 (1.5) | 63.9 (1.1) | 0.004 |
| Previous MI | 5 (11%) | 23 (41%) | 0.001 |
| Hypertension | 15 (34%) | 19 (34%) | NS |
| Diabetes mellitus | 1 (3%) | 5 (8%) | NS |
| Smoking | 14 (32%) | 20 (36%) | NS |
| Exercise testing | |||
| Exercise workload (METs) | 7.4 (0.5) | 6.4 (0.3) | 0.06 |
| Exercise worload < 6 METs | 11 (25%) | 24 (42%) | NS |
| ST depression (mm) | 1.8 (0.2) | 1.6 (0.1) | NS |
| ST depression ⩾2 mm | 18 (42%) | 15 (27%) | NS |
| Rate–pressure product | 24.1 (1.0) | 20.3 (0.7) | 0.002 |
| Positive criteria for MVD | 29 (67%) | 38 (67%) | NS |
| Inotropic stress imaging | |||
| Positive MIBI criteria for MVD | 10 (28%) | 35 (73%) | < 0.001 |
| Positive echo criteria for MVD | 6 (17%) | 34 (71%) | < 0.001 |
Values are n (%) or mean (SEM).
METs, metabolic equivalents.