Characteristic Overall Cohort
(n = 261) Total Arch
(n = 112) Hemia Arch
(n = 149) p value
Characteristic Overall Cohort (n = 261) Total Arch (n = 112) Hemia Arch (n = 149) p value Age, years (Q25, Q75) 60.6 (52.7, 70.0) 63.1 (53.4, 70.2) 59.5 (52.6, 69) 0.428 BMI, kg/m2 ±SD 27.4 (24.4, 31.6) 27.3 (24, 29.8) 27.5 (24.4, 32.3) 0.258 Male, n (%) 181 (69.4) 68 (60.7) 113 (75.8) 0.009 Smoking History, n (%) 204 (78.2%) 93 (83.0%) 111 (74.5%) 0.098 Hypertension, n (%) 177 (67.8%) 66 (58.9%) 111 (74.5%) 0.008 Diabetes, n (%) 31 (11.9%) 8 (7.1%) 23 (15.4%) 0.040 Hyperlipidemia, n (%) 68 (26.1%) 25 (22.3%) 43 (28.9%) 0.234 Previous cardiac surgery, n (%) Preop chronic dialysis, n (%) 10 (3.8%) 4 (3.6%) 6 (4.0%) 0.850 Peripheral artery disease, n (%) 28 (10.7%) 7 (6.3%) 21 (14.1%) 0.043 Previous stroke, n (%) 20 (7.7%) 8 (7.1%) 12 (8.1%) 0.784 History of MI, n (%) 21 (8.1%) 3 (2.7%) 18 (12.1%) 0.006 Heart failure, n (%) 43 (16.5%) 17 (15.2%) 26 (17.5%) 0.624 Primary Indication <0.0001 Type A Dissection, n (%) 173 (66.3%) 60 (53.6%) 113 (75.8%) Aneurysm, n (%) 72 (27.6%) 46 (41.1%) 26 (17.5%) Other, n (%) 16 (6.1%) 6 (5.4%) 10 (6.7%)