| Control (%) | Treatment (%) | p value | no. studies |
---|---|---|---|---|
Demographics | ||||
 Female | 29.5 | 29.6 | 0.92 | 14 |
 Mean age | 62.1 | 61.8 | 0.32 | 13 |
Medical History | ||||
 CABG | 66.7 | 66.9 | 0.37 | 14 |
 PTCA | 31.5 | 29.4 | 0.49 | 12 |
 Acute MI | 62.7 | 62.8 | 0.95 | 15 |
 CHF | 21.6 | 20.5 | 0.74 | 7 |
Cardiac Status | ||||
 Mean LVEF | 49.4 | 49.5 | 0.95 | 11 |
 NYHA Class III | 55.6 | 52.6 | 0.19 | 8 |
 NYHA Class IV | 44.4 | 47.4 | 0.19 | 8 |
 Unstable angina | 9.0 | 24.2 | <0.01 | 5 |
Risk Factors | ||||
 HTN | 64.5 | 62.9 | 0.55 | 9 |
 Hypercholesterolemia/HLD | 80.6 | 73.2 | 0.01 | 5 |
 DM | 36.8 | 35.7 | 0.65 | 13 |
 Tobacco use | 31.4 | 30.6 | 0.56 | 11 |