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Table 2 Operative and postoperative in-hospital outcomes of the post-PSM MABG vs SABG cohorts

From: Multiple arterial conduits for multi-vessel coronary artery bypass grafting in patients with mild to moderate left ventricular systolic dysfunction: a multicenter retrospective study

Outcome Overall
(n = 919)
MABG
(n = 243)
SABG
(n = 676)
P-value
No. of grafts 3.4 ± 0.8 3.5 ± 0.9 3.4 ± 0.8 0.16
RA 193 (21.0) 193 (79.4) NA
RITA 114 (12.4) 114 (46.9) NA
In-hospital death 19 (2.1) 4 (1.6) 15 (2.2) 0.78
PMV 188 (20.5) 46 (18.9) 142 (21.0) 0.49
PICUS 354 (38.5) 86 (35.4) 268 (39.6) 0.24
IABP 50 (5.4) 11 (4.5) 39 (5.8) 0.46
Stroke 6 (0.7) 2 (0.8) 4 (0.6) 0.70
Acute MI 8 (0.9) 2 (0.8) 6 (0.9) 0.93
Dialysis 12 (1.3) 3 (1.2) 9 (1.3) 0.91
RBC transfusion 385 (41.9) 91 (37.4) 294 (43.5) 0.10
Sternal wound infection 8 (0.9) 3 (1.2) 5 (0.7) 0.76
Reoperation for bleeding 12 (1.3) 2 (0.8) 10 (1.5) 0.66
LVEF (%) 47.0 (43.0, 50.0) 47.0 (44.0, 51.0) 47.0 (42.0, 50.0) 0.08
Length of stay (days) 20.0 (16.0, 24.0) 20.0 (16.0, 23.0) 19.0 (16.0, 24.0) 0.89
  1. The variables are presented as mean ± standard deviation or median (IQR) or number (%). MABG multiple arterial bypass grafting, SABG single arterial bypass grafting, PSM propensity score matching, RA radial artery, RITA right internal thoracic artery, PMV prolonged mechanical ventilation, PICUS prolonged intensive care unit stay, IABP intra-aortic balloon pump, MI myocardial infarction, RBC red blood cell, LVEF left ventricular ejection fraction (estimated in patients who survival to discharge), NA not applicable