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Table 2 Surgery and follow-up data within 30 days between the two groups

From: Influence of chronic kidney disease on early clinical outcomes after off-pump coronary artery bypass grafting

  Normal Group (n = 924) CKD Group (n = 249) t/Χ2 P
AKI 135 (14.6) 59 (23.7) 11.727 < 0.001†
PMI 165 (17.9) 55 (22,1) 2.305 0.129
UGH 12 (1.3) 11 (4.4) 0.004†
AF 155 (16.8) 64 (25.7) 10.296 < 0.001†
LCOS 63 (6.8) 32 (12.9) 9.719 0.002†
IABP 63 (6.8) 40 (16.1) 20.935 < 0.001†
Redo for bleeding 10 (1.1) 4 (1.6) 0.512
Reintubation 13 (1.4) 13 (5.2) 13.164 < 0.001†
ARDS 93 (10.1) 35 (14.1) 3.152 0.076
Wound infection 18 (2.0) 13 (5.2) 8.146 0.004†
Stroke 14 (1.5) 11 (4.4) 7.905 0.005†
Ventilation time ≥ 24 h 176 (19.1) 66 (26.5) 6.536 0.011†
ICU stay≥72 h 273 (29.6) 111 (44.6) 20.031 < 0.001†
LOS ≥ 14d 345 (37.3) 147 (59.0) 37.924 < 0.001†
Dialysis replcement 2 (0.2) 9 (3.6) < 0.001†
Death 8 (0.9) 11 (4.4) < 0.001†
  1. AKI Acute kidney injury, PMI Perioperative myocardial infarction, UGH Upper gastrointestinal hemorrhage, AF Atrial fibrillation, LCOS Low cardiac output syndrome, IABP Intra-aortic balloon pump, ARDS Acute respiratory distress syndrome, LOS Length of stay
  2. †Significant difference