Table 1.
POTS (n = 87) |
Control (n = 39) |
P-value | |
---|---|---|---|
Age, median years (IQR) | 27 (19 - 37) | 24 (23 - 29) | 0.699 |
Female, n (%) | 82 (94%) | 36 (92%) | 0.400 |
Education Level, years | 15 ± 3 | 16 ± 2 | 0.110 |
Systolic Blood Pressure (mmHg) | |||
Supine | 114 ± 12 | 110 ± 10 | 0.087 |
Standing | 115 ± 14 | 115 ± 11 | 0.836 |
Standing-Supine | 2 ± 10 | 4 ± 7 | 0.141 |
Diastolic Blood Pressure (mmHg) | |||
Supine | 74 ± 10 | 69 ± 7 | 0.004* |
Standing | 86 ± 11 | 74 ± 6 | >0.001* |
Standing-Supine | 13 ± 7 | 5 ± 5 | >0.001* |
Heart Rate (beats/min) | |||
Supine | 77 ± 14 | 71 ± 12 | 0.035* |
Standing | 91 ± 17 | 83 ± 12 | 0.0* |
Standing-Supine | 15 ± 10 | 13 ± 7 | 0.188 |
Heart Rate change > 30 beats/min | |||
n (%) | 9 (10) | 0 (0) | >0.001* |
Blood pressure and heart rate values obtained after 5 minutes in the supine and standing postures are reported. IQR, interquartile range. Data are shown as mean±SD unless otherwise noted.
P < 0.05