Table 1 Baseline data, test results, echocardiographic data, and computed tomography measurements of the two patient groups

Age (years)

74.59 ± 7.805

74.20 ± 9.18

0.902

Sex (male)

28 (58.3%)

7 (35%)

0.111

BMI (kg/m²)

21.03 ± 2.57

21.13 ± 3.048

0.925

STS score

7.68 ± 1.25

8.40 ± 1.96

0.306

Past medical history

Hypertension

34 (70.8%)

11 (55.0%)

0.264

Coronary heart disease

10 (20.8%)

7 (35%)

0.235

Diabetes

4(8.3%)

6 (30%)

0.054

Laboratory data

Leukocyte count (10⁹/L)

5.24 ± 1.63

5.18 ± 0.88

0.919

Red blood cell count (10¹²/L)

3.93 ± 0.50

3.84 ± 0.56

0.636

Hemoglobin level (g/L)

117.91 ± 15.83

116.10 ± 16.93

0.771

Platelet count (10⁹/L)

158.09 ± 58.55

156.60 ± 51.58

0.945

Total cholesterol level (mmol/L)

3.75 ± 0.95

3.74 ± 1.33

0.985

Low-density cholesterol level (mmol/L)

2.03 ± 0.81

2.10 ± 0.84

0.843

Creatinine level (µmol/L)

83.64 ± 30.27

95.76 ± 47.18

0.387

Fasting glucose level (mmol/L)

4.68 ± 0.429

5.18 ± 0.72

0.064

High-sensitivity troponin level (ng/mL)

0.011 (0.009,0.025)

0.009 (0.004,0.183)

0.131

CKMB level (U/L)

15.82 ± 6.80

11.60 ± 5.66

0.098

BNP level (pg/mL)

329.00 (144.00,848.75)

89.50 (63.00,251.00)

0.040

Electrocardiography findings

Preoperative QRS width (ms)

102.05 ± 20.14

114.20 ± 25.36

0.155

Preoperative cRBBB or first-degree AV block

2 (4.2%)

10 (50%)

< 0.001

Echocardiography

LA (mm)

44.32 ± 4.99

40.30 ± 8.53

0.103

LV (mm)

56.55 ± 8.37

56.90 ± 8.77

0.914

IVS (mm)

9.89 ± 1.88

9.9 ± 1.91

0.985

LVEF (%)

52.95 ± 9.69

52.90 ± 9.53

0.988

Mitral curtain length (mm)

4.86 ± 1.25

5.00 ± 0.94

0.761

LVOT type (non-tubular)

14 (29.2%)

16 (80.0%)

< 0.001

CT data

Mean diameter of AA (mm)

24.66 ± 2.23

24.16 ± 3.14

0.607

Mean diameter of LVOT (mm)

24.96 ± 3.19

24.20 ± 4.01

0.566

Mean diameter of STJ (mm)

35.32 ± 3.12

33.99 ± 4.45

0.336

Angle of the aortic root (°)

55.50 ± 10.25

59.90 ± 8.25

0.243

Mean diameter of AAO (mm)

43.17 ± 3.04

40.23 ± 5.56

0.061

AA calcification

6 (12.5%)

3 (15.0%)

1

LVOT calcification

2 (4.2%)

2 (10%)

0.575

Valve device and TAVR intervention procedures date

Valve device type (mm)

28.66 ± 1.78

28.32 ± 2.28

0.586

Valve implantation depth (mm)

2.44 (0.00, 5.06)

4.73 (2.46, 6.29)

0.118

Other

Largest diameter of the upper corolla of the valve device / diameter of AAO

0.99 ± 0.067

1.08 ± 0.14

0.090

Diameter of the inferior edge of valve device/diameter of aortic annular

1.24 ± 0.07

1.25 ± 0.09

0.672

Diameter of the inferior edge of valve device/Mean diameter of LVOT

1.23 ± 0.11

1.26 ± 0.14

0.553

Mean diameter of LVOT/Mean diameter of aortic annular

1.01 ± 0.07

1.00 ± 0.06

0.643