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Table 2 Early clinical outcomes after CABG surgery

From: Impact of smoking on early clinical outcomes in patients undergoing coronary artery bypass grafting surgery

  Non-smoking group (n = 1544) Smoking group
Total Former smoking subgroup Current smoking subgroup
(n = 2186) (n = 614) (n = 1572)
Surgical mortality 43(2.8%) 49(2.2%) 18(2.9%) 31(2.0%)
MI 16(1.7%) 24(1.1%) 8(1.3%) 16(1.0%)
LCOS 282(18.3%) 433(19.8%) 124(20.2%) 309(19.7%)
New onset AF 177(11.5%) 227(10.4%) 78(12.7%) 95(9.5%)
Ventricular fibrillation 29(1.9%) 46(2.1%) 15(2.4%) 31(2.0%)
Pulmonary complications 70 (4.5%) 156 (7.1%)* 34 (5.5%) 122 (7.8%)*
Mean ventilation time (h) 9.4 ± 2.4 9.8 ± 2.6* 9.5 ± 2.3 9.9 ± 2.7*
Renal failure 38(2.5%) 53(2.4%) 14(2.3%) 39(2.5%)
Stroke 31(2.0%) 20(0.9%) 5(0.8%) 15(1.0%)
GI complications 82(5.3 %) 120(5.5%) 19(3.1%) 101(6.4%)
Incision infection 21(1.4%) 33(1.5%) 9(1.5%) 24(1.5%)
MSOF 25(1.6%) 29(1.3%) 6(1.0%) 23(1.5%)
Mean length of ICU stay (h) 33.5 ± 6.9 34.2 ± 6.8 33.5 ± 6.1 34.5 ± 7.0
  1. Mean was compared between the groups by t-test, and enumeration data by Fisher’s exact test.
  2. *p < 0.05 (as compared to Non-smoking group).
  3. MI, myocardial infarction; LCOS, low cardiac output syndrome; AF, atrial fibrillation; GI complications, gastro-intestinal complications; MSOF, multiple system organ failure; ICU, intensive care unit.