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Table 1 Comparing pre- and intra-operative characteristics among patients undergoing CABG with TAG and with LIMA+SVG.

From: The effect of total arterial grafting on medium-term outcomes following coronary artery bypass grafting

Variable   TAG n (%) LIMA+SVG n (%) p-value
Age   60.2 ± 9.7 yrs 65.8 ± 9.8 yrs < 0.0001
Female sex   205 (20) 995 (27) < 0.0001
Smoking history   732 (72) 2565 (70) 0.20
Diabetes   347 (34) 1360 (37) 0.08
Hypercholesterolemia   902 (88) 2703 (74) < 0.0001
Pre-op renal failure   16 (2) 218 (6) < 0.0001
Hypertension   629 (62) 2368 (64) 0.12
Peripheral vascular disease   138 (14) 623 (17) 0.009
Cerebrovascular disease   84 (8) 525 (14) < 0.0001
Ejection fraction > 50 831 (82) 2711 (76) < 0.0001
  30–50 168 (16) 706 (19)  
  < 30 20 (2) 197 (5)  
Recent MI < 7d   36 (4) 208 (6) 0.007
Pre-op IABP   27 (3) 182 (5) 0.002
CHF   77 (8) 539 (15) < 0.0001
COPD   120 (12) 429 (14) 0.033
Urgent (< 24 hours) Elective 615 (60) 1811 (49) < 0.0001
  IHU 331 (32) 1421 (39)  
  Urgent 73 (7) 445 (12)  
Prior PCI   126 (12) 366 (10) 0.026
Left-main/triple-vessel disease   789 (77) 3145 (86) < 0.0001
Number of bypasses   3.1+0.9 grafts 3.2+0.8 grafts < 0.0001
  1. BMI, Body mass index; CHF, history of congestive heart failure; COPD, chronic obstructive lung disease; MI, myocardial infarction; IABP, intra-aortic balloon pump; IHU, in-hospital urgent i.e. waiting for surgery in-hospital longer than 24 hrs; PCI, percutaneous coronary intervention.