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Table 1 Preoperative Clinical Characteristics

From: Double vs single internal thoracic artery harvesting in diabetic patients: role in perioperative infection rate

  Group 1 Group 2 p-value
Number of Patients 41 (50.6%) 40 (49.4%)  
Mean Age (Years) 66.5 ± 8.0 62.3 ± 7.2 0.016
Gender    0.963
   Male 35 (85.4%) 34 (85.0%)  
   Female 6 (14.6%) 6 (15.0%)  
Cardiac Pathology    
   Coronary Artery Disease 41 (100%) 40 (100%)  
   Other 0 (0%) 0 (0%)  
Number of Diseased Vessels 2.8 ± 0.4 2.9 ± 0.3 0.089
   Two-vessel disease 10 (24.4%) 4 (10.0%) 0.140
   Three-vessel disease 31 (75.6%) 36 (90.0%)  
Hypertension 33 (80.5%) 25 (62.5%) 0.088
Diabetes 41 (100.0%) 40 (100.0%) 1.000
   Non-Insulin-Dependent 34 (82.9%) 34 (85.0%) 0.799
   Insulin-Dependent 7 (17.1%) 6 (15.0%)  
   Preoperative fasting plasma glucose (mg/dL) 155.6 ± 53.7 148.5 ± 43.1 0.511
   Glycated haemoglobin (%) 8.3 ± 0.9 8.6 ± 1.0 0.876
Body Mass Index 27.9 ± 4.1 26.9 ± 3.1 0.235
Body Surface Area (m 2 ) 1.8 ± 0.1 1.8 ± 0.2 0.814
Chronic Obstructive Pulmonary Disease 6 (14.6%) 4 (10.0%) 0.737
Renal Failure 5 (12.1%) 3 (7.5%) 0.712
Serum creatinine (mg/dL) 1.1 ± 0.2 1.0 ± 0.2 0.471
Peripheral vascular disease 10 (24.4%) 5 (12.5%) 0.253
Previous stroke 1 (2.4%) 0 (0.0%) 1.000
C reactive protein (mg/dL) 4.1 ± 5.7 3.5 ± 6.8 0.653
Hypercholesterolemia 27 (65.9%) 27 (67.5%) 1.000
Smoking History 26 (63.4%) 26 (65.0%) 1.000
Previous Cardiac Surgery 0 (0.0%) 0 (0.0%)  
Previous myocardial infarction 22 (53.7%) 11 (27.5%) 0.024
Ejection fraction 53.7 ± 11.4 58.2 ± 8.0 0.041
EuroScore 4.2 ± 2.7 2.3 ± 1.6 0.000
Length of Hospital Stay prior to Surgery (Days) 4.0 ± 3.0 3.6 ± 3.3 0.753
Inotropic Drugs before Surgery 2 (4.9%) 2 (5.0%) 1.000