Skip to main content

Table 1 Patient characteristics

From: Long-term outcome after mitral valve replacement using biological versus mechanical valves

  Total
N = 324
Biological MVR
N = 265
Mechanical MVR
N = 59
p-value
Age in years 69.0 [58.0–76.0] [324] 71.0 [62.0–77.0] [265] 56.0 [50.0–62.0] [59] < 0.001
  ≤ 65 years, % 133/324 (41.0) 86/265 (32.5) 47/59 (79.7) < 0.001
Female gender, % 161/324 (49.7) 137/265 (51.7) 24/59 (40.7) 0.126
BMI (kg/m2) 26.2 [23.2–29.0] [256] 26.2 [23.0–28.9] [214] 26.9 [23.2–31.7] [42] 0.337
CV risk factors
 Hypertension, % 173/324 (53.4) 147/265 (55.5) 26/59 (44.1) 0.112
 Dyslipidemia, % 52/324 (16.0) 46/265 (17.4) 6/59 (10.2) 0.174
Comorbidity general
 Diabetes mellitus, % 35/324 (10.8) 31/265 (11.7) 4/59 (6.8) 0.271
 Kidney failure (Crea. > 2.26 mg/dL) 8/324 (2.5) 7/265 (2.6) 1/59 (1.7) 1.000
 Stroke, % 30/324 (9.3) 27/265 (10.2) 3/59 (5.1) 0.221
 COPD, % 44/324 (13.6) 39/265 (14.7) 5/59 (8.5) 0.206
 PAD, % 17/324 (5.2) 16/265 (6.0) 1/59 (1.7) 0.328
Comorbidity cardiac
 Atrial fibrillation, % 126/324 (38.9) 102/265 (38.5) 24/59 (40.7) 0.755
 Coronary artery disease, % 45/324 (13.9) 41/265 (15.5) 4/59 (6.8) 0.081
 Prior MI (≤90 days), % 4/324 (1.2) 3/265 (1.1) 1/59 (1.7) 0.554
 Prior aortic valve replacement, % 15/324 (4.6) 11/265 (4.2) 4/59 (6.8) 0.489
 Prior CABG, % 25/324 (7.7) 23/265 (8.7) 2/59 (3.4) 0.277
 Prior pacemaker, % 13/324 (4.0) 11/265 (4.2) 2/59 (3.4) 1.000
 NYHA class III/IV, % 273/324 (84.3) 225/265 (84.9) 48/59 (81.4) 0.498
 CCS class III %a 16/324 (4.9) 12/265 (4.5) 4/59 (6.8) 0.505
 Pulmonary hypertension, % 56/324 (17.3) 47/265 (17.7) 9/59 (15.3) 0.648
Emergency indication for surgery, % 31/324 (9.6) 23/265 (8.7) 8/59 (13.6) 0.249
Cardiac decompensation, % 112/324 (34.6) 95/265 (35.8) 17/59 (28.8) 0.304
Log EuroSCORE I (%) 7.2 [3.5–15.6] [322] 8.4 [3.6–17.5] [263] 4.5 [2.9–8.0] [59] < 0.001
  1. Legend: Values are patients applicable/patients with available information with percentage in brackets OR medians with IQR in brackets and available patient number in brackets; aNo patient presented with CCS class IV in this collective
  2. BMI body mass index, CV cardiovascular, CABG coronary artery bypass graft, CCS Canadian Cardiovascular Society, COPD chronic obstructive pulmonary disease, MI myocardial infarction, NYHA,New York Heart Association, PAD peripheral artery disease, SD standard deviation