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Table 1 Baseline characteristics

From: Diagnostic performance of quantitative coronary artery disease assessment using computed tomography in patients with aortic stenosis undergoing transcatheter aortic-valve implantation

 

Total/mean ± SD

Invasive coronary angiography (QCA)

p value

No obstructive

CAD

Obstructive

CAD

Number of patients

100

70

30

 

Female gender

70

50 (71.4%)

20 (66.7%)

0.812

BMI (kg/m2)

25.5 ± 5.6

24.9 ± 5.4

25.1 ± 3.7

0.116

Age (years)

82.3 ± 6.5

81.6 ± 6.7

83.8 ± 5.8

0.254

Arterial hypertension

84

56 (80.0%)

28 (93.3%)

0.138

Diabetes mellitus

20

15 (21.4%)

5 (16.7%)

0.786

Peripheral artery disease

5

5 (7.2%)

0 (0%)

0.318

Stroke/TIA

15

7 (9.1%)

8 (24.2%)

1.000

Pacemaker

3

2 (2.9%)

1 (3.3%)

1.000

Atrial fibrillation

14

9 (12.9%)

5 (16.7%)

0.754

Hemoglobin (g/l)

114.7 ± 17.8

116.9 ± 17.8

109.6 ± 17.0

0.120

COPD

6

6 (8.6%)

0 (0%)

0.174

GFR (Cockcroft Gault; ml/min/1.73 m2)

52.0 ± 21.8

53.9 ± 22.6

47.5 ± 19.3

0.218

STS score

4.6 ± 2.9

4.2 ± 2.6

5.2 ± 3.0

0.080

Aortic valve area (cm2)

0.60 ± 0.23

0.61 ± 0.22

0.58 ± 0.27

0.420

Mean aortic gradient (mmHg)

41 ± 16

40 ± 17

43 ± 14

0.336

LVEF (%)

57 ± 13

56 ± 13

58 ± 12

0.319

Reduced LVEF < 45%

17

14 (20.0%)

3 (10.0%)

0.262

Total CACS (Median IQR [25–75])

564 [160–1045]

386 [75–765]

1019 [542–1907]

0.001

  1. BMI body mass index, CAD coronary artery disease, COPD chronic obstructive pulmonary disease, CACS coronary artery calcium score, GFR glomerular filtration rate, LVEF left ventricular ejection fraction, IQR Interquartile range, QCA quantitative coronary angiography, TIA transient ischemic attack