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

Table 1 Preoperative demographic data

	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

IQR, Interquartile range, NPX units, normalized protein expression units (log₂ scale), NTproBNP, N-terminal pro-B-type natriuretic peptide; NYHA, New York Heart Association