Table 1.
Subject demographics.
Young women | Young men | Older women | |
---|---|---|---|
n | 51 | 36 | 14 |
Age, years | 27 ± 1 | 27 ± 1 | 58 ± 2 |
BMI, kg/m2 | 23.0 ± 0.3 | 24.4 ± 0.4 | 24.4 ± 0.6 |
Heart rate, bpm | 62 ± 1 | 58 ± 1 | 62 ± 2 |
Systolic blood pressure, mmHg | 127 ± 2 | 130 ± 2 | 146 ± 6* |
Diastolic blood pressure, mmHg | 71 ± 1 | 71 ± 1 | 75 ± 2 |
Mean arterial pressure, mmHg | 91 ± 1 | 90 ± 1 | 104 ± 4* |
Pulse pressure, mmHg | 56 ± 2 | 59 ± 2 | 71 ± 5* |
MSNA, bursts/100 hb | 26.6 ± 2.1 | 31.7 ± 2.6 | 62.4 ± 2.3* |
Data are mean ± standard error. MSNA, muscle sympathetic nerve activity. *p < 0.05 vs. young women and young men.