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Table 2 Intraoperative characteristics of the study groups

From: A comparison of off-pump and on-pump coronary bypass surgery in patients with low EuroSCORE

  OPCAB group On-pump group p
Number of grafts 2.58 ± 0.67 3.16 ± 0.79 <0.001*
Number of distal anastomoses 2.66 ± 0.74 3.21 ± 0.85 <0.001*
Grafted Vessels    
  Proximal LAD 0 1 (1.2) 0.174
  Mid LAD 30 (7.6) 4 (4.8) 0.371
  Distal LAD 366 (92.7) 80 (96.4) 0.217
  D1 136 (34.4) 36 (43.4) 0.123
  D2 23 (5.8) 3 (3.6) 0.596
  CxOM1 177 (44.8) 57 (68.7)* <0.001*
  CxOM2 91 (23.0) 26 (31.3) 0.110
  RCA 67 (17.0) 25 (30.1) 0.280
  RPD 148 (37.5) 28 (33.7) 0.521
  RPL 17 (4.3) 6 (7.2) 0.261
Duration of surgery (min) 208.49 ± 45.2 291.32 ± 59.1 <0.001*
Intraoperative inotropic 23 (5.9) 29 (34.9) <0.001*
Intraoperative IABP 0 2 (2.4) 0.030*
Intraoperative MI 0 1 (1.2) 0.174
Intraoperative arrhythmia 3 (0.8) 2 (2.4) 0.209
LIMA-LAD 385 (97.5) 82 (98.8) 0.698
RIMA 1 (0.3) 6 (7.2) <0.001*
Radial artery 39 (9.9) 8 (9.6) 0.948
Endarterectomy 2 (0.5) 3 (3.6) 0.039*
  1. *Statistically significant difference.
  2. Values are presented as mean ± standard deviation or number (%), where appropriate. OPCAB, off-pump coronary artery bypass surgery; CABG, coronary artery bypass graft.