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Table 1 Baseline characteristics of the study population

From: Predictors of short-term thrombocytopenia after transcatheter aortic valve implantation: a retrospective study at a single Japanese center

 

Total (n = 131)

DPC of ≥ 50% (n = 74)

DPC of < 50% (n = 57)

P-value

Age (years)

84.5 ± 4.7

85.3 ± 3.9

83.5 ± 5.4

0.031

Men

44 (33.6%)

22 (29.7%)

22 (38.6%)

0.287

Body mass index (kg/m2)

22.3 ± 3.4

21.7 ± 3.2

23.1 ± 3.6

0.016

Hypertension

107 (81.7%)

61 (82.4%)

46 (80.7%)

0.799

Diabetes mellitus

33 (25.2%)

16 (21.6%)

17 (29.8%)

0.284

Cancer

17 (13.0%)

10 (13.5%)

7 (12.3%)

0.835

Peripheral arterial disease

14 (10.7%)

8 (10.8%)

6 (10.5%)

0.958

Cerebrovascular disease

22 (16.8%)

16 (21.6%)

6 (10.5%)

0.092

Chronic kidney disease

99 (75.6%)

55 (74.3%)

44 (77.2%)

0.705

Coronary artery disease

70 (53.4%)

41 (55.4%)

29 (50.9%)

0.607

Atrial fibrillation

36 (27.5%)

17 (22.9%)

19 (33.3%)

0.188

Pacemaker implantation

8 (6.1%)

6 (8.1%)

2 (3.5%)

0.276

STS (%)

6.8 ± 3.7

7.0 ± 3.7

6.4 ± 3.8

0.382

Euro Score (%)

18.1 ± 10.8

19.3 ± 11.2

16.6 ± 10.2

0.163

EF (%)

65.0 ± 14.9

65.4 ± 15.2

64.6 ± 14.7

0.763

AVA (cm2)

0.63 ± 0.17

0.62 ± 0.16

0.64 ± 0.19

0.479

mPG (mm Hg)

50.3 ± 18.3

51.4 ± 17.9

48.8 ± 18.9

0.429

  1. DPC: decrease in platelet count; STS: Society of Thoracic Surgeons Predictive Risk of Mortality score; EF: ejection fraction; AVA: aortic valve area; mPG: mean pressure gradient
  2. Data are presented as mean ± standard deviation or n (%)