Table 1 Baseline characteristics of the study population
Characteristic | POTS- (n = 283) | POTS+ (n = 113) | P-value |
|---|---|---|---|
Age (years) | 31.5 (9.8) | 26.3 (8.4) | < 0.001 |
Female sex, n (%) | 189 (66.8) | 83 (73.5) | 0.241 |
BMI, Kg/m2 | 24.3 (4.1) | 22.7 (3.5) | < 0.001 |
SBP supine, mmHg | 119.9 (14.2) | 120.4 (14.2) | 0.833 |
DBP supine, mmHg | 69.9 (8.2) | 70.2 (8.2) | 0.788 |
HR supine, bpm | 68.7 (11.9) | 71.1 (11.6) | 0.084 |
SBP HUT min, mmHg | 112.2 (13.4) | 107.6 (16.2) | 0.003 |
DBP HUT min, mmHg | 71.8 (9.1) | 72.5 (10.6) | 0.552 |
HR HUT max, bpm | 84.7 (13.8) | 112.4 (15.6) | < 0.001 |
Smoking, n (%) | 58 (20.5) | 16 (14.2) | 0.188 |