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Values (mean ± SEM) of heart rate and brachial systolic, diastolic and pulse pressures by group prior to the ingestion of caffeine and placebo (baseline).
| Caffeine | Placebo | p-value | |
| Heart rate (beats/minute) | 69.3 ± 3.6 | 70.1 ± 3.1 | 0.601 |
| Systolic pressure (mmHg) | 116.2 ± 1.7 | 117.1 ± 1.9 | 0.567 |
| Diastolic pressure (mmHg) | 67.6 ± 1.3 | 67.6 ± 0.8 | 1.000 |
| Pulse pressure (mmHg) | 48.6 ± 1.5 | 49.5 ± 1.9 | 0.566 |
