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Table 1 Patient characteristics in the derivation set

From: A prediction model for permanent pacemaker implantation after transcatheter aortic valve replacement

 

Total (n = 336)

PPMI (n = 48)

No PPMI (n = 288)

p value

Baseline characteristics and medical history

 Age, yrs

75.69 ± 7.11

76.62 ± 6.87

75.53 ± 7.15

0.315

 Male

142 (42.26%)

16 (33.33%)

126 (43.75%)

0.168

 CAD

271 (80.65%)

37 (77.08%)

234 (81.25%)

0.527

 Diabetes

84 (25%)

7 (14.58%)

77 (26.74%)

0.039

 Hypertension

191 (56.85%)

27 (56.25%)

164 (56.94%)

0.929

 History of stroke

18 (5.36%)

3 (6.25%)

15 (5.21%)

0.783

 History of syncope

34 (10.12%)

6 (12.5%)

28 (9.72%)

0.590

 Atrial fibrillation

68 (20.24%)

12 (25%)

56 (19.44%)

0.413

 First degree AVB

17 (5.06%)

4 (8.33%)

13 (4.51%)

0.467

 LBBB

7 (2.08%)

0 (0%)

7 (2.43%)

0.008

 RBBB

20 (5.95%)

9 (18.75%)

11 (3.82%)

0.013

 eGFR, ml/min

67.92 ± 22.32

65.88 ± 25.17

68.26 ± 21.83

0.539

Characteristics before TAVR

 Aortic annulus perimeter, mm

80.56 ± 7.96

81.5 ± 6.94

80.41 ± 8.12

0.328

 Bicuspid aortic valve

187 (55.65%)

26 (54.17%)

161 (55.90%)

0.825

 AVA, cm2

0.71 ± 0.22

0.77 ± 0.27

0.7 ± 0.20

0.084

 LVEF, %

58 ± 11

58 ± 11

58 ± 11

0.950

 TnT, ng/ml

0.07 ± 0.20

0.08 ± 0.24

0.07 ± 0.20

0.811

 Transfemoral

325 (96.73%)

47 (97.92%)

278 (96.53%)

0.556

Characteristics after TAVR

 Self-expandable valve

329 (97.92%)

48 (100%)

281 (97.57%)

0.008

 Oversizing, %

0.38 ± 7.86

1.37 ± 7.53

0.21 ± 7.91

0.315

 PNA, cm2

5.21 ± 0.95

5.46 ± 0.99

5.16 ± 0.94

0.058

 AVA, cm2

2.30 ± 0.61

2.33 ± 0.62

2.30 ± 0.61

0.701

 Implantation depth, mm

5.22 ± 3.73

6.06 ± 3.56

5.08 ± 3.74

0.082

 TnT, ng/ml

0.34 ± 0.45

0.44 ± 0.72

0.32 ± 0.39

0.267

 PLOS, day(s)

7.23 ± 3.24

8.98 ± 3.64

6.94 ± 3.08

< 0.001

  1. Values are mean ± SD or frequency (%). p values are obtained by two-sample t-test
  2. AVA, aortic valve area; AVB¸ atrioventricular block; CAD, coronary artery disease; eGFR, estimated glomerular filtration rate; LVEF, left ventricular ejection fraction; LBBB, left bundle branch block; PLOS, postoperative length of stay; PNA, prosthetic nominal area; PPMI, permanent pacemaker implantation; RBBB, right bundle branch block; TnT, troponin-T