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Table 2 Operative Data

From: Evaluation of preoperative intra-aortic balloon pump in coronary patients with severe left ventricular dysfunction undergoing OPCAB surgery: early and mid-term outcomes

Variables Group A (n = 115)
N (%)
Group B (n = 106)
N (%)
p Value
Number of grafts Mean = 3.3 ± 0.6 Mean = 3.1 ± 0.5 0.36
Grafts, n(%)    
   2 SVG 18 (15.6) 19(17.9) 0.14
   3 SVG 71 (61.7) 67(63.2) 0.26
   4 SVG 26 (22.6) 20 (18.9) 0.13
   LIMA 95 (82.6) 85(80.2) 0.64
   RIMA 2 (1.7) 3 (2.8) 0.08
   Radial 25 (21.7) 20(18.8) 0.19
Distal anastomosis(n) Mean = 3.8 ± 0.5 Mean = 3.6 ± 0.3 0.24
Complete revascularization 100 (87.0) 86 (81.1) 0.18
  1. SVG = saphenous vein graft; LIMA = left internal mammary artery; RIMA = right internal mammary artery;