b'Scientific Session Abstracts SUNDAY APRIL 21, 2024CHFNone 2146 (84.6) 15908 (83.3) 31908 (82.1)Mild 79 (3.1) 654 (3.4) 1485 (3.8) 0.01Moderate 54 (2.1) 356 (1.9) 732 (1.9)Severe 10 (0.4) 130 (0.7) 227 (0.6)COPDNone 1525 (60.1) 13560 (71.0) 28963 (74.5)0.01On medication 592 (23.3) 3088 (16.2) 5959 (15.3)On home oxygen 80 (3.2) 458 (2.4) 905 (2.3)DialysisNo 2386 (94.0) 17777 (93.1) 36441 (93.7)Functioning0.03Transplant 18 (0.7) 150 (0.8) 300 (0.8)Dialysis-dependent 134 (5.3) 1174 (6.1) 2145 (5.5)DiabetesNone 1893 (74.6) 11795 (61.8) 17068 (43.9)Diabetic Diet 92 (3.6) 850 (4.5) 1882 (4.8) 0.01Non-insulin224 (8.8) 2697 (14.1) 7693 (19.8)medicationsInsulin- dependent 328 (12.9) 3757 (19.7) 12240 (31.5)Preoperative aspirinNo 737 (29.0) 4950 (25.9) 9133 (23.5)0.01Yes 1707 (67.3%) 13419 (70.3%) 28392 (73.0%)Non-compliant 15 (0.6%) 101 (0.5%) 1866 (0.5%)Preoperative ACE-inhibitorNo 1281 (59.2) 8580 (51.8) 14761 (43.2)0.01Yes 825 (38.1) 7528 (45.5) 18549 (54.3)Non-compliant 8 (0.4) 48 (0.3) 82 (0.2)Preoperative StatinNo 953 (37.5) 5790 (30.3) 9597 (24.7) 0.01Yes 1585 (62.%) 13305 (69.7) 29269 (75.3)Preoperative Beta BlockerNo 1212 (47.8) 8333 (43.6) 15199 (39.1) 0.01Yes, 30 days from1323 (52.2) 10758 (56.4) 23651 (60.9)index procedure104SOUTHERN CALIFORNIA VASCULAR SURGICAL SOCIETY'