Coronary angiographic data
Left main trunk disease (n) 194 (31.6%) 42 (44.7%) 0.013
Three-vessel disease (n) 475 (77.5%) 73 (77.7%) 0.970
COPD = chronic obstructive pulmonary disease; eGFR = estimated glomerular filtration rate; IABP = intra-aortic balloon pump
Table 2. Operative results in young and old groups
Variable Young (n=613) Old (n=94) p value
Operation time (min) 252 ± 69 235 ± 64 0.016
Cardiopulmonary bypass (n) 20 (3.3%) 0 (0%) 0.076
Distal anastomosis 3.3 ±1.1 3.2 ±1.0 0.100
Left internal thoracic artery (n) 598 (97.6%) 90 (95.7%) 0.313
Right internal thoracic artery (n) 510 (83.2%) 70 (74.5%)