Table IIIb.
Operative variables by race amongst patients undergoing open surgical repair
| % or median (IQR) | Black N = 163 |
White N = 3,809 |
Asian N = 52 |
P-value |
|---|---|---|---|---|
| Procedure Time, minutes | 282 (218–355) | 210 (164–280) | 209 (178–247) | < .001 |
| Epidural Used with GETA | 52 (32%) | 1,946 (51%) | 27 (52%) | < .001 |
| Retroperitoneal Incision | 23 (14%) | 651 (17%) | 7 (14%) | .57 |
| Tube Graft | 35 (21%) | 1,555 (41%) | 14 (27%) | < .001 |
| Bifurcated Graft | 128 (79%) | 2,239 (59%) | 37 (73%) | < .001 |
| Femoral Anastomosis | 27 (21%) | 565 (25%) | 2 (5.4%) | < .01 |
| Estimated Blood Loss, mL | 1,700 (900–2,926) | 1,100 (700–1,950) | 1,175 (850–1,975) | < .001 |
| Intraoperative Transfusion, any | 84 (52%) | 1,095 (29%) | 18 (35%) | < .001 |
| Heparin Used | 160 (99%) | 3,754 (99%) | 50 (98%) | .63 |
| Conversion from EVAR, any | 12 (7.4%) | 126 (3.3%) | 2 (3.9%) | .03 |
| Early (< 30 day) Conversion | 5 (3.1%) | 39 (1.0%) | 1 (1.9%) | .045 |
| Late Conversion | 7 (4.3%) | 87 (2.3%) | 1 (1.9%) | .24 |
| IMA Ligated/Occluded | 132 (81%) | 3,311 (87%) | 44 (85%) | .08 |
| Hypogastric Ligated/Occluded | 32 (20%) | 406 (11%) | 6 (12%) | < .01 |
| Unilateral | 24 (15%) | 275 (7.3%) | 4 (7.8%) | < .01 |
| Bilateral | 8 (4.9%) | 131 (3.5%) | 2 (3.9%) | .51 |
| Concomitant Procedures, any | 28 (17%) | 649 (17%) | 9 (17%) | .99 |
| Thrombectomy | 9 (5.5%) | 218 (5.7%) | 4 (7.7%) | .72 |
| Renal Bypass | 2 (1.2%) | 75 (2.0%) | 1 (1.9%) | .83 |
| Infrainguinal Bypass | 9 (5.5%) | 88 (2.3%) | 1 (1.9%) | .04 |
| Other Abdominal Procedure | 14 (8.6%) | 337 (8.9%) | 5 (9.6%) | .94 |
IQR = interquartile range; GETA = general endotracheal anesthesia; EVAR = endovascular aneurysm repair; IMA = inferior mesenteric artery