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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 (%)