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Table 2 Patient´s demographics and perioperative data

From: Less invasive coronary artery revascularization with a minimized extracorporeal circulation system: preliminary results of a comparative study with off-pump-procedures

  Mini-HLM OPCAB Total p-value
Age (yrs) 65,8 ± 11,2 65,2 ± 10,4 65,6 ± 10,8 0,79
Female 9 (12,2%) 13 (28,3%) 22 (18,3%) 0,032
Height (cm) 173,5 ± 7,8 172,3 ± 8,2 173 ± 7,9 0,448
Weight (kg) 84,5 ± 13 82,8 ± 13,6 83,9 ± 13,1 0,506
Euroscore 3,2 ± 2,3 3,2 ± 2,3 3,2 ± 2,3 0,938
Vessel disease 2,7 ± 0,5 2,13 ± 0,9 2,1 ± 0,9 0,65
Preoperative creatinine (mg/dl) 0,9 ± 0,2 0,9 ± 0,3 0,9 ± 0,2 0,879
Preoperative haemoglobin (g/dl) 12,6 ± 1,7 12,4 ± 1,7 12,5 ± 1,7 0,557
Preoperative CK (U/l) 75,1 ± 59,2 79,5 ± 46,8 76,8 ± 54,6 0,675
Preoperative CK-MB (U/l) 9,5 ± 4,1 9,9 ± 5,2 9,7 ± 4,6 0,546
Preoperative Troponin T (ug/l) 0,02 ± 0,06 0,03 ± 0,1 0,02 ± 0,08 0,62
Preoperative haematocrit (%) 36,8 ± 6,2 36,3 ± 4,5 36,6 ± 5,6 0,658
Preoperative EF (%) 61,9 ± 14,7 57,8 ± 15,3 60,7 ± 14,9 0,271
Preoperative LVEDP (mmHg) 15,2 ± 7,7 13,6 ± 10,8 14,6 ± 8,8 0,498
Diabetes mellitus 13 (17,6%) 10 (21,7%) 23 (19,2%) 0,636
Arterial hypertonia 58 (78,4%) 32 (69,6%) 90 (75,0%) 0,298
Hyperlipoproteinemia 57 (77,0%) 32 (69,6%) 89 (74,2%) 0,396
Previous stent implantation 14 (18,9%) 12 (26,1%) 26 (21,7%) 0,371
Previous statin therapy 63 (85,1%) 36 (78,3%) 99 (82,5%) 0,38
Preoperative atrial fibrillation 4 (5,4%) 0 4 (3,3%) 0,297
History of acute myocardial infarction 29 (39,2%) 12 (26,1%) 41 (34,2%) 0,168
Prior bypass surgery 0 0 0  
Previous lysis of intravascular thrombus 0 0 0  
Preoperative hemodynamic instability 0 0 0  
  1. CK creatine kinase, CK-MB creatine kinase isoenzyme, EF ejection fraction, LVEDP left ventricular end-diastolic pressure.