Patient characteristics, blood pressure, and heart rate in healthy smokers and non-smokers
| Smoker | Non-smoker | |
| Number | 46 | 189 |
| Sex (female/male) | 21/25 | 86/103 |
| Age (years): | ||
| Mean (SD) | 37.3 (13) | 47.8 (18.2) |
| Range | 16–70 | 7–78 |
| Mean (SD) systolic blood pressure (mm Hg) | 125 (13) | 133 (19.4) |
| Mean (SD) diastolic blood pressure (mm Hg) | 71.5 (10) | 75.2 (11.7) |
| Mean (SD) heart rate (beats/min) | 75 (10) | 71 (9) |