• Marta Antoniv, Luisa Jane Maldonado, Andrei Nikiforchin, Esteban Fabian Gershanik, and Ronald Bleday.
• Division of Colorectal Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School; Boston, MA, USA.
• Ann. Surg. 2025 Jan 9.

ObjectiveTo explore the association of socioeconomic status (SES) and race/ethnicity with perioperative metrics within the Enhanced Recovery After Surgery (ERAS) framework to identify gaps for equity-informed improvements.Summary Background DataAlthough ERAS pathways improve perioperative outcomes through standardized care, disparities in protocol adherence and postoperative outcomes persist, particularly for vulnerable populations.MethodsWe conducted a retrospective cohort study using a single-institution database of elective colorectal surgeries (2018-2021). Patients were categorized and assessed by SES and race/ethnicity.ResultsOverall, 1,519 patients were analyzed: 180 had low SES (11.8%) and 1,339 - high SES (88.2%). Low SES patients had lower rates of bowel preparation completion, use of the electronic patient portal, and carbohydrate loading pre-surgery. Low SES was associated with a longer median length of stay (LOS) (4 vs. 3 days, P<0.001). Multivariate logistic regression analysis showed low SES was linked to higher odds of infectious (OR 2.46, 95%CI: 1.31-4.63) and all in-hospital complications (OR 1.50, 95%CI: 1.06-2.12). Among racial/ethnic cohorts, Black patients had lower rates of documented preoperative patient education, longer median LOS (5 vs. 3-4 days, P=0.002), and increased odds of respiratory complications (OR 4.11, 95%CI: 1.56-10.85).ConclusionsLow SES was linked to lower compliance with important process measures, higher infectious and all in-hospital complication rates, and longer LOS. Despite high rates of protocol compliance, Black race/ethnicity showed an association with increased odds of respiratory complications and extended LOS. Adjustments to perioperative protocols could address such disparities, helping to improve postoperative outcomes of colorectal surgeries.Copyright © 2025 Wolters Kluwer Health, Inc. All rights reserved.

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