Table 4 Operative outcomes in matched analysis
Matched Analysis A Matched Analysis B
Characteristic Redo-OPCAB (n = 111) Redo-CABG (n = 111) P-value Redo-OPCAB (n = 84) Redo-CABG (n = 84) P-value
In-hospital mortality (%) 2 (2) 5 (4) 0.25 0 (0.0) 4 (5) 0.13
AKI (%) 13 (12) 16 (14) 0.56 5 (6) 9 (11) 0.24
CVA (%) 1 (1) 1 (1) 1.00 0 (0) 0 (0) NA
Usage of IABP (%) 3 (3) 10 (10) 0.03 2 (2) 9 (11) 0.02
Composite outcome (%) 17 (15) 23 (21) 0.25 7 (8) 16 (19) 0.04
Reoperation for bleeding (%) 1 (1) 4 (4) 0.17 0 (0) 1 (1) 1.00
Completeness of revascularization (%) 77 (69) 91 (82) 0.02 57 (68) 60 (71) 0.60
Hospital stay 8.1 (6.2) 8.67 (5.6) 0.15 8 (5.4) 8.5 (5) 0.17
AKI: acute kidney injury (defined as peak of postoperative creatinine >% higher than preoperative value); CVA: cerebrovascular accident; IABP: intra-aortic balloon pump (either intraoperatively or postoperatively only).