Baseline characteristics (medians) of men with angina pectoris at baseline in the ATBC study
| Characteristic | α tocopherol (n = 460) | α tocopherol and β carotene (n = 456) | β carotene (n = 420) | Placebo (n = 459) |
|---|---|---|---|---|
| Age (years) | 58.8 | 58.4 | 58.7 | 58.9 |
| Serum cholesterol (mmol/l) | 6.29 | 6.31 | 6.26 | 6.33 |
| HDL cholesterol (mmol/l) | 1.03 | 1.05 | 1.07 | 1.06 |
| Systolic blood pressure (mm Hg) | 140 | 139 | 140 | 140 |
| Diastolic blood pressure (mm Hg) | 87 | 86 | 88 | 88 |
| Body mass index (kg/m2) | 26.6 | 26.7 | 26.3 | 26.9 |
| Number of cigarettes/day | 20 | 20 | 20 | 20 |
| Smoking years | 40 | 40 | 40 | 40 |
| Alcohol use (g/day) | 9.7 | 10.0 | 9.6 | 11.0 |
| History of diabetes (%) | 8 | 8 | 5 | 6 |
| History of myocardial infarction (%)1-150 | 35 | 31 | 29 | 26 |
↵1-150 p = 0.03 between groups.