Table 1 Demographic and Clinical Baseline Characteristics

Age (years)

67.2 ± 7.5

Male

35 (77.8%)

STS-PROM (%)

4.97 (3.35, 5.61)

Logistic EuroSCORE II score (%)

11.30 (3.48, 13.67)

Hematocrit

0.40 (0.38, 0.45)

WBC (× 10⁹)

7.58 (5.48, 9.32)

Platelet(× 10⁶)

188.58 (151.50, 214.00)

Creatinine (µmol/L)

91.64 (69.00, 104.00)

Left ventricular ejection fraction (%)

44.36 (34.50, 54.50)

Hypertension

24 (53.3%)

Cerebrovascular Disease

16 (35.5%)

Diabetes

12 (26.7%)

Chronic Lung Disease

27 (60.0%)

Classification-NYHA

43 (95.6%)

Atrial fibrillation

11 (24.4%)

Coronary artery disease

13 (28.9%)

Aortic stenosis

10 (22.2%)

Aortic regurgitation

17 (37.8%)

Aortic stenosis with regurgitation

18 (40.0%)

Transapical

22 (48.9%)

Transfemoral

22 (48.9%)

Turn to ECMO

1 (2.2%)

Trans to surgery

1 (2.2%)