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Table 1 Patient characteristics

From: Influence of Mitroflow bioprosthesis structural valve deterioration on cardiac morbidity

  Total Group 1 Group 2 Group 3 P-value
n = 211 n = 53 n = 59 n = 99  
Age at operation (years) 76.8 ± 5.3 76.9 ± 5.7 76.9 ± 5.3 76.8 ± 5.2 0.992
Women 155 (73.5) 42 (79.3) 42 (71.2) 71 (71.7) 0.543
BSA (m2) 1.73 ± 0.19 1.72 ± 0.16 1.76 ± 0.21 1.72 ± 0.19 0.217
EuroScore II 1.6 ± 1.3 1.6 ± 1.1 1.6 ± 1.1 1.6 ± 1.6 0.999
NYHA 2.5 ± 0.7 2.5 ± 0.8 2.6 ± 0.8 2.4 ± 0.7 0.552
CCS 1.2 ± 1.3 1.2 ± 1.3 1.4 ± 1.2 1 ± 1.3 0.141
Blood pressure
 Systolic (mmHg) 147 ± 27 150 ± 28 144 ± 25 147 ± 27 0.574
 Diastolic (mmHg) 79 ± 16 80 ± 20 77 ± 13 79 ± 15 0.730
eGFR (mL/min/1.73 m2) 50 ± 24 46 ± 18 52 ± 25 51 ± 25 0.574
50 53 (44.9) 11 (39.3) 19 (47.5) 23 (46) 0.783
 < 50 65 (55.1) 17 (60.7) 21 (52.5) 27 (54) 0.783
Smoker      0.503
 Never 68 (32.5) 21 (40.4) 17 (28.8) 30 (30.6)  
 Active 95 (45.5) 19 (36.5) 31 (52.5) 45 (45.9)  
 Quit 46 (22) 12 (23.1) 11 (18.6) 23 (23.5)  
Diabetes 26 (12.4) 7 (13.5) 6 (10.2) 13 (13.1) 0.830
Hypertension 115 (55) 33 (63.5) 34 (58.6) 48 (48.5) 0.173
Ischaemic heart disease 108 (51.9) 31 (59.6) 37 (63.8)* 40 (40.8)* < 0.001
Previous PCI 9 (4.3) 4 (7.6) 3 (5.3) 2 (2.0) 0.261
Previous CABG 7 (3.4) 1 (1.9) 4 (6.8) 2 (2.1) 0.224
Extracardiac arteriopathy 23 (10.9) 7 (13.2) 10 (17.0) 6 (6.1) 0.086
Atrial fibrillation 41 (19.8) 15 (28.3) 12 (20.7) 14 (14.6) 0.13
Apoplexia cerebri 22 (10.6) 7 (13.2) 6 (10.3) 9 (9.4) 0.765
COPD 37 (17.9) 6 (11.5) 11 (18.6) 20 (20.8) 0.365
Pre-operative echo
 EF (%) 54 ± 13 53 ± 13 54 ± 12 55 ± 13 0.782
 Aorta area (cm2) 0.68 ± 0.2 0.68 ± 0.2 0.68 ± 0.2 0.68 ± 0.2 0.968
 Aorta CW max (mmHg) 74 ± 28 73 ± 28 70 ± 23 76 ± 32 0.486
  1. Values are mean ± standard deviation or as number and percent
  2. BSA Body surface area, CABG Coronary artery bypass graft, CCS Canadian Cardiovascular Society, COPD Chronic obstructive pulmonary disease, EF Ejection fraction, eGFR Estimated glomerular filtration rate, PCI Percutaneous coronary intervention, NYHA New York Heart Association
  3. *Significantly different, p < 0.05