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Table 2 Comparison of baseline variables in patients with patent and occluded coronary grafts.

From: Evaluation of early coronary graft patency after coronary artery bypass graft surgery using multislice computed tomography angiography

Variable Graft patent
(n = 80)
Graft occluded
(n = 27)
P-value
Age (years) 59 ± 9.6 60 ± 8.3 0.63
Male 61 (76) 20 (74) 0.80
Number of native vessels involved 2.8 ± 0.37 2.9 ± 0.19 0.20
Total graft number 3.4 ± 0.65 3.4 ± 0.69 0.83
Diabetes 25 (31) 11 (41) 0.37
Dyslipidemia 30 (37.5) 12 (44.4) 0.52
Smoking 25 (31) 5 (18.5) 0.20
Hypertension 33 (41) 10 (37) 0.70
Unstable angina before surgery 41 (51) 14 (52) 0.71
Preoperative LVEF 44 ± 8.5 46 ± 6.3 0.17
On-pump vs. off-pump CABG 76 (95)/4 (5) 24 (89)/3 (11) 0.27
Pump time (minutes) 102 ± 32.5 120 ± 43 0.046
Postoperative LVEF 43 ± 8 41 ± 9 0.27
Packed cell transfusion 56 (70) 19 (69.4) 0.98
Postoperative cardiac arrest 2 (2.5) 1 (3.7) 0.74
  1. Values are n (%) or mean ± SD.
  2. LVEF = left ventricular ejection fraction; CABG = coronary artery bypass graft