b'Scientific Session Abstracts SUNDAY APRIL 21, 2024 Table I. In-hospital and 30-day mortality following IIB vs PVI by body mass index.Underweight (BMI 18.5 kg/m2)Univariable MultivariableIIB N (%) 542PVI N (%) 3,961p value IIB vs PVI ORp value(11.6%) (88.3%) (95% CI)In-hospital Death 7 (1.3%) 67 (1.7 %) 0.548 1.040.923(0.44,2.47)Death in 30 days 18 (3.4%) 174 (4.4%) 0.309 1.001.000(0.55,1.83)Normal Weight (BMI 18.5-24.9 kg/m2)Univariable MultivariableIIB N (%) 4,559PVI N (%)p value IIB vs PVI ORp value(12.9%) 30,848 (87.1%) (95% CI)In-hospital Death 51 (1.1%) 361 (1.2%) 0.762 1.400.036(1.02,1.91)Death in 30 days 87 (1.9%) 879 (2.9%) 0.001 0.980.870(0.78,1.23)Overweight (BMI 25-29.9 kg/m2)Univariable MultivariableIIB N (%) 4,684PVI N (%)p value IIB vs PVI ORp value(12.1%) 34,186 (87.9%) (95% CI)In-hospital Death 46 (0.9%) 346 (1.0%) 0.847 1.350.093(0.95,1.90)Death in 30 days 91 (1.9%) 790 (2.3%) 0.112 1.231.137(0.94,1.61)Obese (BMI 30-39.9 kg/m2)Univariable MultivariableIIB N (%) 3,721PVI N (%)IIB vs PVI OR (10.8%) 30,660p value (95% CI) p value(89.2%)In-hospital Death 47 (1.26%) 297 (0.97%) 0.088 1.970.001(1.44,2.70)Death in 30 days 60 (1.6%) 610 (2.0%) 0.116 0.680.046(0.47,0.99)Morbidly Obese (BMI 40-49.9 kg/m2)Univariable MultivariableIIB N (%) 436PVI N (%)p value IIB vs PVI ORp value(8.3%) 4,808 (91.7%) (95% CI)In-hospital Death 6 (1.4%) 39 (0.8%) 0.221 2.470.074(0.92,6.67)Death in 30 days 11 (2.5%) 85 (1.8%) 0.260 2.210.037(1.05,4.65)Outcomes are adjusted for patient demographics, comorbidities, medications, and prior procedures. OR, Odds ratio, IIB, Infrainguinal Bypass, PVI, peripheral vascular intervention, BMI, body mass index. Reference=PVI. Significance level 0.05.42 NDANNUAL MEETING|APRIL 1921, 2024|OCEANSIDE, CA 113'