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Table 1 Preoperative demographic data

From: Pre- and postoperative left atrial and ventricular volumetric and deformation analyses in severe aortic regurgitation

  Aortic regurgitation (n = 65) Controls (n = 20) p value
Age (years) median (IQR) 54 (46–63) 59 (49–68) 0.086
Male (n) 56 (86%) 11 (55%) 0.009
Body surface area (m2) 2.00 ± 0.19 1.96 ± 0.20 0.46
Body mass index (kg/m2) 26.1 ± 4.0 26.3 ± 3.6 0.91
Systolic blood pressure (mmHg) 145 ± 16 134 ± 15 0.011
Diastolic blood pressure (mmHg) 70 ± 11 84 ± 9 < 0.001
Diabetes (n) 1 (1.5%) 1 (5%) 0.77
Hypertension (n) 30 (46%) 10 (50%) 0.80
NYHA functional class    < 0.001
I 16 (25%) 18 (90%)  
II 39 (60%) 2 (10%)  
III 10 (15%) 0  
IV 0 0  
NTproBNP (NPX units) 4.4 ± 1.7 3.52 ± 1.3 0.043
Bicuspid aortic valve (n) 38 (58%) 9 (45%) 0.29
  1. IQR, Interquartile range, NPX units, normalized protein expression units (log2 scale), NTproBNP, N-terminal pro-B-type natriuretic peptide; NYHA, New York Heart Association