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| mean ± SD | Perfect Health | Control |
|---|---|---|
| N | 54 | 65 |
| Age (years) | 54.7 (11.9) | 54.2 (11.8) |
| Gender (% female) | 81% | 77% |
| BMI (kg/m2) | 24.6 (4.9) | 23.8 (4.1) |
| Systolic BP (mmHg)* | 120 (18) | 113 (14) |
| Diastolic BP (mmHg) | 77 (13) | 74.5 (11) |
| Heart rate (bpm) | 68.1 (11.6) | 68.1 (8.3) |
| Alcohol use (%) | 61% | 58% |
| Caffeine use (%) | 55% | 71% |
General subject characteristics at time 0. Starred items have p < 0.01.
