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Background and Objectives: Colorectal cancer (CRC) sidedness is recognized as a prognostic factor for survival; left-sided colorectal cancer is associated with better outcomes than right-sided colon cancer (RsCC). We aimed to evaluate the influence of obesity on CRC sidedness and determine how race, age, and sex affect mortality among overweight and obese individuals., Methods: A survey-weighted analysis was conducted using data obtained from the National Inpatient Sample between 2016 and 2019., Results: Of the 24 549 patients with a diagnosis of CRC and a reported body mass index (BMI), 13.6% were overweight and 49.9% were obese. The race distribution was predominantly non-Hispanic Whites (69.7%), followed by Black (15.6%), Hispanic (8.7%), and other race (6.1%). Overweight (BMI: 25-29.9) and obese (BMI: ≥30) individuals were more likely to have RsCC (adjusted OR [aOR] = 1.28; 95% CI: 1.17-1.39, p < 0.001 and aOR = 1.45; 95% CI: 1.37-1.54, p < 0.001, respectively). Obese Black individuals were more likely to have RsCC as compared to their White counterparts (aOR = 1.23; 95% CI: 1.09-1.38)., Conclusions: Obesity is associated with an increased risk of RsCC. In addition, racial disparities in CRC sidedness and outcomes are most pronounced among obese patients., (© 2022 The Authors. Journal of Surgical Oncology published by Wiley Periodicals LLC.) more...

Objective: The objective of this study was to assess the effect of opioid use and other factors on inpatient length of stay (LOS) and mortality among patients hospitalized with nonmetastatic colorectal cancer (NMCRC)., Materials and Methods: We analyzed discharge encounters collected from the 2016 to 2017 National Inpatient Sample (NIS) to evaluate the effect of long-term opioid use (90 d or longer) and cancer-related complications on LOS and mortality among hospitalized patients with NMCRC., Results: A total of 94,535 patients with NMCRC were included in the analysis. Long-term opioid users had a shorter average LOS and reduced inpatient mortality as compared with nonopioid users (5.97±5.75 vs. 6.66±6.92 d, P<0.01; and adjusted odds ratio=0.72, 95% confidence interval: 0.56-0.93, respectively). Factors that significantly increased both LOS and mortality included infection, venous thromboembolism, and chemotherapy-induced neutropenia; the average LOS was 2.7, 2.6, and 0.7 days longer, and the adjusted odds ratio for risk of inpatient mortality was 3.7, 1.2, and 1.2, respectively (P<0.05), for patients admitted with these cancer-related complications., Conclusions: Long-term opioid use is associated with decreased LOS and inpatient mortality among patients with NMCRC. Individuals admitted for cancer-related complications face a longer LOS and increased mortality as compared with those admitted without these morbidities., Competing Interests: The authors declare no conflicts of interest., (Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.) more...