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Table 2 Postoperative outcomes in the matched cohort

From: The impact of mild renal dysfunction on isolated cardiopulmonary coronary artery bypass grafting: a retrospective propensity score matching analysis

variableA groupB groupp value
(n = 572) No. (%)(n = 572) No. (%) 
Mortality8 (1.4)14 (2.4)0.282
MI17 (3.0)17 (3.0)1
Stroke6 (1.0)8 (1.4)0.788
Respiratory failure16 (2.8)22 (3.8)0.409
Pneumonia23 (4.0)29 (5.1)0.478
AKI62144<0.0001
 Stage I54 (9.6)113 (20.3) 
 Stage II6 (1.1)22 (3.9) 
 Stage III2 (0.4)9 (1.6) 
Redo for bleeding9 (1.6)12 (2.1)0.66
RBC transfusion201 (35.1)219 (38.3)0.622
DSWI11 (1.9)17 (3.0)0.339
Low cardiac output syndrome44 (7.7)54 (9.4)0.34
IABP application33 (5.8)46 (8.0)0.162
Lost to follow-up18 (3.2)20 (3.7)0.869
Long-term mortality21 (3.8)37 (6.9)0.037
CRF requiring dialysis06 (1.1)0.039
  1. MI myocardial infarction, AKI acute kidney injury, RBC red blood cell, DSWI deep sternal wound infection, IABP intra-aortic balloon pump, CRF chronic renal failure