Table 2 Clinical characteristics, blood pressure, and compliance for patients with positive and negative stress echocardiography results.
| Stress echocardiography result | p Value | ||
|---|---|---|---|
| Positive | Negative | ||
| Number | 65 | 190 | |
| Age (years) | 62 (10) | 57 (7) | <0.0001 |
| Men | 47 (72%) | 100 (52%) | <0.005 |
| Smoker | 38 (58%) | 56 (29%) | <0.0001 |
| Hypertension | 39 (60%) | 127 (66%) | NS |
| Diabetes | 15 (23%) | 99 (52%) | <0.003 |
| Increased cholesterol | 35 (54%) | 83 (43%) | <0.01 |
| β Blocker | 31 (47%) | 27 (14%) | <0.0001 |
| ACE inhibitor | 18 (27%) | 65 (34%) | NS |
| Calcium antagonist | 24 (37%) | 57 (30%) | <0.01 |
| Statin | 24 (37%) | 60 (31%) | NS |
| Number of risk factors | 2 (1) | 2 (1) | NS |
| Number of medications | 2 (1) | 1 (1) | <0.0001 |
| SBP (mm Hg) | 129 (27) | 132 (19) | NS |
| DBP (mm Hg) | 71 (11) | 78 (10) | <0.0001 |
| MAP (mm Hg) | 90 (15) | 96 (13) | <0.003 |
| PP (mm Hg) | 58 (21) | 53 (16) | NS |
| CO (l/min) | 5.2 (1.5) | 4.7 (1.2) | <0.007 |
| TVR (mm Hg/ml*s−1) | 1.1 (0.38) | 1.3 (0.39) | <0.001 |
| TAC (ml/mm Hg) | 1.17 (0.51) | 1.08 (0.41) | NS |
CO, cardiac output; DBP, diastolic blood pressure; MAP, mean arterial pressure; NS, not significant; PP, pulse pressure; SBP, systolic blood pressure; TAC, total arterial compliance; TVR, total vascular resistance.