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. 2022 Apr 1;17(17):e1417–e1424. doi: 10.4244/EIJ-D-21-00464

Table 1. Baseline characteristics.

Without* LVOT calcification (n=358) With** LVOT calcification (n=358) p-value
Clinical baseline parameters
Age, years 82.2 (78.4, 85.4) 81.9 (78.1, 85.3) 0.29
Sex, male 158 (44.1) 162 (45.3) 0.82
BMI, kg/m2 25.5 (23.2, 29.0) 25.7 (23.3, 29.3) 0.41
STS PROM, % 4.5±2.7 5.0±3.4 0.08
EuroSCORE II 5.4±5.1 5.5±6.3 0.85
Diabetes (insulin dependent) 30 (8.4) 41 (11.5) 0.21
Atrial fibrillation 92 (25.7) 105 (29.3) 0.32
Peripheral artery disease 74 (20.7) 77 (21.5) 0.85
Prior pacemaker/ICD 39 (10.9) 37 (10.3) 0.90
eGFR (CKD-EPI), mL/min/1.73 m2 58.7 (43.5, 72.9) 57.5 (41.5, 74.2) 0.70
sPAP >55 mHg 55 (15.4) 47 (13.1) 0.45
NYHA III 271 (75.7) 259 (72.3) 0.35
NYHA IV 38 (10.6) 45 (12.6) 0.48
Echocardiographic baseline parameters
p mean, mmHg 33.0 (24.0, 47.0) 36.0 (25.0, 47.0) 0.28
EOA, cm2 0.8 (0.6, 0.9) 0.7 (0.6, 0.9) 0.002
SVI, mL/m2 38.2 (28.7, 46.3) 36.6 (28.9, 44.2) 0.26
Mitral regurgitation ≥II° 110 (30.9) 116 (32.7) 0.67
LVEF <30% 48 (13.4) 34 (9.5) 0.13
MSCT baseline parameters
CT threshold, HU 560.5±64.1 548.6±67.5 0.02
Annulus perimeter derived diameter, mm 24.6 (22.9, 26.3) 24.4 (22.7, 26.3) 0.61
Annulus area, cm2 461.5 (399.4, 525.1) 460.6 (391.2, 529.6) 0.98
LVOT perimeter derived diameter, mm 25.1 (23.2, 26.9) 25.1 (23.3, 27.3) 0.98
LVOT area, cm2 461.8 (383.7, 528.6) 455.9 (392.5, 540.4) 0.74
Total AVC calcium volume, mm3 455.0 (262.2, 776.6) 726.6 (423.0, 1148.0) <0.001
Calcium volume annular plane, mm3 455.0 (261.4, 775.0) 654.2 (364.5, 1043.7) <0.001
Calcium volume LVOT, mm3 0 (0, 0.6) 49.9 (22.4, 106.9) <0.001
AVC density, mm3 calcium/cm2 102.4 (58.4, 162.3) 157.1 (96.1, 239.7) <0.001
*Without ≤10 mm3 LVOT calcium volume. **With >10 mm3 LVOT calcium volume. Values are mean±SD, n (%) unless otherwise indicated or median (interquartile range). AVC: aortic valve complex; COPD: chronic obstructive pulmonary disease; eGFR: estimated glomerular filtration rate; EOA: effective orifice area; EuroSCORE: European System for Cardiac Operative Risk Evaluation; HU: Hounsfield units; ICD: implantable cardioverter defibrillator; LVEF: left ventricular ejection fraction; LVOT: left ventricular outflow tract; MSCT: multislice computed tomography; NYHA: New York Heart Association; sPAP: systolic pulmonary artery pressure; STS PROM: Society of Thoracic Surgeons Predicted Risk of Mortality; SVI: stroke volume index