Characteristic Male, N = 121,3191 Female, N = 26,1571 p-value2
Use of Cardiopulmonary Bypass
100,140 (86%) 21,383 (85%) <0.001
Aortic Cross Clamp Time (mins)
52 (37, 62) 48 (34, 62) <0.001
Cardiopulmonary Bypass Time (mins)
82 (62, 103) 78 (58, 98) <0.001
Use of Left Internal Mammary Artery
110,028 (91%) 23,004 (88%) <0.001
Use of Bilateral Internal Mammary Arteries
6,532 (5.4%) 820 (3.1%) <0.001
Use of Right Internal Mammary Artery
7,226 (6.0%) 1,025 (3.9%) <0.001
Use of Radial Artery
8,269 (6.8%) 1,621 (6.2%) <0.001
Vein grafts
<0.001
Short saphenous 18,885 (16%) 4,531 (17%)
Long saphenous 101,909 (84%) 21,523 (82%)
Other vein 525 (0.4%) 103 (0.4%)
Total arterial grafts
15,040 (12%) 3,716 (14%) <0.001
Number of grafts
3.00 (2.00, 4.00) 3.00 (2.00, 3.00) <0.001
n (%); Median (IQR) Pearson’s Chi-squared test; Wilcoxon rank sum test n (%); Median (IQR) Pearson’s Chi-squared test; Wilcoxon rank sum test n (%); Median (IQR) Pearson’s Chi-squared test; Wilcoxon rank sum test n (%); Median (IQR) Pearson’s Chi-squared test; Wilcoxon rank sum test