b'Scientific Session Abstracts SUNDAY APRIL 21, 2024 BMI 18.518.5BMI 24.9BMI25 Demographics (Underweight) (Non-obese) (Overweight/ p-valueObese)Preoperative SmokingNever 274 (10.8) 2779 (14.5) 6479 (16.7)0.01Prior 834 (32.9) 7531 (39.4) 18402 (47.3)Current 1430 (56.3) 8793 (46.0) 13994 (36.0)Prior CABGNone 1907 (88.0) 13522 (81.6) 26472 (77.4) 5 years from index88 (4.1) 1013 (6.1) 2600 (7.6) 0.01procedure 5 years from index172 (7.9) 2031 (12.3) 5123 (15.0)procedurePrior lower extremity revascularization858 (33.8) 6120 (32.0) 11829 (30.4) 0.01(Bypass/PVI)ASA ClassificationASA Class IV 575 (24.4) 4284 (23.5) 8239 (22.0) 0.01ASA Class V 4 (0.2) 20 (0.1) 35 (0.1)Mean Procedure Time221.9 (106.1) 231.1 (110.2) 248.4 (116.4) 0.01(SD) - minsMean Preoperative11.8 (2.2) 12.2 (10.6) 12.5 (7.6) 0.01Hemoglobin (SD)Mean Estimated Blood262.9 (301.3) 282.6 (347.3) 313.3 (400.7) 0.01Loss (SD)mL42 NDANNUAL MEETING|APRIL 1921, 2024|OCEANSIDE, CA 105'