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. 2022 Apr 8;12:5967. doi: 10.1038/s41598-022-09995-z

Table 1.

Baseline and procedural characteristics of the study population.

Baseline characteristics All (N = 383) Alive (N = 328) Dead (N = 55) p
Age (years) 82.9 ± 7.2 83 ± 7.2 82.3 ± 7.6 0.43
Women 192 (50.1%) 168 (51.24%) 24 (43.7%) 0.36
Body mass index (kg/m2) 27.3 ± 5.9 27.2 ± 5.5 28 ± 9 0.51
Diabetes mellitus 114 (29.6%) 95 (28.9%) 19 (34.6%) 0.44
Systemic hypertension 232 (60.3%) 198 (60.4%) 34 (61.9%) 0.71
History of
Peripheral artery disease 59 (15.4%) 46 (14%) 13 (23.7%) 0.11
Chronic kidney disease
 All 177 (46%) 140 (42.7%) 37 (67.3%) 0.02
 Mild (eGFR 30–59 ml/min) 152 (39.5%) 121 (36.9%) 31 (56.4%) < 0.01
 Severe (eGFR < 30 mL/min) 20 (5.2%) 14 (4.3%) 6 (10.9%) 0.02
Chronic lung disease 74 (19.2%) 62 (18.9%) 12 (21.9%) 0.77
Long term oxygen therapy 6 (1.6%) 4 (1.2%) 2 (3.6%) 0.15
 CABG 47 (12.2%) 42 (12.8%) 5 (9.1%) 0.37
 SAVR 17 (4.4%) 16 (4.9%) 1 (1.8%) 0.31
 PCI 149 (38.7%) 122 (37.2%) 27 (49.1%) 0.15
 Stroke 56 (14.6%) 47 (14.3%) 9 (16.4%) 0.77
 Pace maker 35 (9.1%) 27 (8.2%) 8 (14.6%) 0.26
 Atrial fibrillation or flutter 163 (42.4%) 136 (41.5%) 27 (49.1%) 0.55
Chronic anticoagulation 166 (43.2%) 139 (42.4%) 27 (49.1%) 0.53
NYHA
 Class I 9 (2.34%) 9 (2.8%) 0 (0%) 0.08
 Class II 137 (35.6%) 123 (37.5%) 14 (25.5%) 0.04
 Class III 197 (51.2%) 163 (49.7%) 34 (61.9%) 0.02
 Class IV 40 (10.4%) 33 (10.1) 7 (12.7%) 0.18
STS score 12.3 ± 9.4 11.8 ± 8.4 14.7 ± 13.5 0.03
 < 4 49 (12.7%) 47 (14.3%) 2 (3.6%) 0.04
 4–8 121 (31.5%) 102 (31.1%) 19 (34.6%) 0.26
 > 8–5 121 (31.5%) 101 (30.8%) 14 (25.5%) 0.03
 > 15 92 (23.9%) 72 (21.9%) 20 (36.4%) < 0.01
Poor mobility 31 (8.1%) 28 (8.5%) 3 (5.5%) 0.40
Frailty 116 (30.2%) 95 (28.9%) 21 (38.2%) 0.20
Wait time (days) 144.2 ± 83.87 140.2 ± 77.5 168 ± 113 0.01
Baseline echocardiography
LVEF (%) 57.6 ± 11.9 57.9 ± 11.8 56.2 ± 12.6 0.33
LVEF ≤ 30% 8 (2.1%) 5 (1.5%) 3 (5.5%) < 0.01
Aortic valve area (cm2) 0.85 ± 0.2 0.83 ± 0.23 0.92 ± 0.3 0.57
Aortic valve gradient (mmHg) 46.7 ± 13.8 46.9 ± 13.5 45.7 ± 15.1 0.65
Right ventricular failure 35 (9.1%) 26 (7.9%) 9 (16.4%) 0.03
PASP (mmHg) 41.9 ± 15.4 41.5 ± 15.3 44 ± 16.3 0.25
TAVR
Self-expanding valve 210 (54.6%) 179 (54.6%) 31 (56.4%) 0.37
Balloon-expandable valve 173 (45%) 149 (45.4%) 24 (43.7%) 0.44
Access site
 Femoral 346 (90%) 304 (92.3%) 42 (76.4%) < 0.01
 Sub-Clavian 5 (1.3%) 4 (1.2%) 1 (1.8%) 0.70
 Trans-Aortic 13 (3.4%) 11 (3.4%) 2 (3.6%) 0.8
 Apical 19 (4.9%) 9 (2.7%) 10 (18.2%) < 0.01

CABG coronary artery bypass graft, eGFR estimated glomerular filtration rate, LVEF left ventricular ejection fraction, NYHA New York Heart Association, PASP Pulmonary Artery Systolic Pressure, PCI percutaneous coronary intervention, SAVR surgical aortic valve replacement, STS Society for thoracic surgeons, TAVR Transcatheter Aortic Valve Replacement.