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Table 1 Baseline characteristics of the study population

From: Proteomic analysis reveals sex-specific biomarker signature in postural orthostatic tachycardia syndrome

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
  1. P-values for differences between the groups are shown as mean and SD for continuous variables and as percentages for categorical variables.; DBP Diastolic blood pressure; HR Heart rate; HUT min/max, lowest/highest value during passive head-up tilt test; IHD Ischemic heart disease; POTS Postural orthostatic tachycardia syndrome; SBP Systolic blood pressure