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Table 1 Demographic data

From: Early and mid-term outcome in terms of functional and hemodynamic performance of the st. Jude regent 19-mm aortic mechanical prosthesis versus 19-mm carpentier edwards aortic biological prosthesis

Variables Group I Group II p
  (n = 265) (n = 58)  
Males 1 (19.3 %) 14 (24 %) 0.51
Mean age (years) 67.5 ± 12.72 71 ± 16 0.07
Mean Canadian Cardiovascular Class 1.41 ± 0.62 1.34 ± 0.63 0.44
Mean New York Heart Association class 2.4 ± 0.75 2.34 ± 0.82 0.6
Mean height (cm) 159.7 ± 7.7 161.8 ± 12 0.1
Mean weight (kg) 66.2 ± 12.7 67 ± 13 0.67
Mean Body Surface Area (m2) 1.67 ± 0.14 1.69 ± 0.25 0.41
Mean Body mass Index (kg/m2) 26 ± 4.8 25.5 ± 4.4 0.47
Aortic stenosis 223 (84 %) 48 (82.7 %) 0.95
Diabetes 35 (13.2 %) 6 (10.4 %) 0.71
Insulin therapy 7 (2.7 %) 1 (1.7 %) 0.95
Hypercholesterolemia 82 (31 %) 16 (27.6 %) 0.87
Hypertension 118 (44.5 %) 21 (36 %) 0.31
Hypothyroidism 15 (5.7 %) 1 (1.7 %) 0.36
Smoking history 61 (23 %) 10 (17.3 %) 0.43
Chronic renal failure 11 (4.2 %) 6 (10.4 %) 0.11
Cerebrovascular disease 4 (1.5 %) 3 (5.2 %) 0.22
Previous transitory ischemic arrest 17 (6.4 %) 6 (10.4 %) 0.44
Previous carotid endarterectomy 7(2.7 %) 0 0.45
Previous peptic ulcer 21 (8 %) 5 (8.6 %) 0.93
Peripheric vascular disease 11 (4.2 %) 2 (3.5 %) 0.90
Preoperative arrhythmias 24 (9 %) 5 (8.6 %) 0.88
 Permanent pacemaker 7 (2.7 %) 2 (3.5 %) 0.92
Nonelective 10 (3.8 %) 6 (10.4 %) 0.08
Endocarditis 11 (4.2 %) 4 (7 %) 0.58
Reoperation 31 (11.7 %) 4 (7 %) 0.41
 III-IV reoperation 7 (2.7 %) 0 0.45
Ischemic heart disease 37 (14 %) 7 (12 %) 0.86
Myocardial Infarction 12 (4.5 %) 3 (5.2 %) 0.89
Chronic obstructive pulmonary Disease 31 (11.7 %) 8 (13.8 %) 0.83
Congestive heart failure 44 (16.6 %) 9 (15.5 %) 0.9
Left Ventricular Ejection Fraction ≤ 35 % 33 (12.5 %) 6 (10.4 %) 0.82
Mean Euroscore 6.9 ± 2 7.1 ± 2.9 0.51