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Table 1 Patients’ data (Groups I and II)

From: Impact of type 2 diabetes mellitus on short- and long-term mortality after coronary artery bypass surgery

  Non-DM Group I
No. of patients (1553)
DM Group II
No. of patients (1213)
p value
Age (years) 63 ± 11 65 ± 10 0.000
Males 1308 (84%) 947 (78%) 0.000
Elective 978 (63%) 788 (65%) 0.378
NYHA FC III–IV 373 (20%) 376 (27%) 0.001
Previous operation 32 (2%) 37 (3%) 0.110
Ejection fraction (%) 51 ± 11 50 ± 11 0.001
Logistic EuroSCORE 5.6 ± 8.2 6.4 ± 9.6 0.020
Hypertension 1065 (69%) 1052 (87%) 0.000
COPD 70 (4%) 61 (5%) 0.529
Dialysis 17 (1%) 24 (2%) 0.059
Hyperlipidemia 1097 (71%) 1019 (84%) 0.000
PVD 111 (7%) 185 (15%) 0.000
CVA/TIA 100 (6%) 130 (11%) 0.000
Pulmonary hypertension 3 (0.2%) 16 (1%) 0.001
Arrhythmia 8 (0.5%) 6 (0.5%) 1.000
LIMA 1509 (97%) 1171 (97%) 0.378
No mammary 26 (2%) 28 (2%) 1.000
Double mammary 781 (50%) 468 (39%) 0.000
Number of grafts 3.1 ± 1.1 3.1 ± 1.0 0.411
Bypass 80 ± 27 82 ± 42 0.133
Clamp 56 ± 20 56 ± 29 0.701
Mini invasive 33 (2%) 21 (2%) 0.491
  1. DM Diabetes mellitus, NYHA FC New York Heart Association functional class, COPD chronic obstruction pulmonary disease, PVD peripheral vascular disease, CVA cerebral vascular accident, TIA transient ischemic attack, LIMA left internal mammary artery