Xi E Zheng1, Ting Li, Seth Lipka, Evan Levine, Raymond Vlacancich, Umeko Takeshige, Paul Mustacchia, Alan Multz, Vladimir Gotlieb. 1. *Department of Medicine †Division of Gastroenterology and Hepatology ‡Division of Hematology and Oncology, Nassau University Medical Center, East Meadow ¶New York College of Osteopathic Medicine, Old Westbury, NY §Carolina Population Center & Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC.
Abstract
BACKGROUND AND AIMS: Epidemiological data have demonstrated that Hispanics have a lower incidence rate of colorectal cancer (CRC) compared with other major race/ethnicity groups in the United States. However, data regarding the relative prevalence of colorectal adenomas (CRAs) in Hispanic versus non-Hispanic populations are currently sparse and inconclusive. METHODS: We conducted a retrospective review of colonoscopy patients (n=1656) at a single tertiary-care community hospital from 2007 to 2011, to evaluate the association of self-reported race/ethnicity status with CRA prevalence and characteristics. Established CRC risk factors were also included in multivariate regression models. RESULTS: Overall, the CRA prevalence was lower in Hispanic subjects than non-Hispanic subjects (14.8% vs. 22.5%) and this difference was statistically significant (adjusted odds ratio, 0.67; 95% confidence interval, 0.47-0.96; P<0.01). Conversely, no difference in CRA prevalence was observed between non-Hispanic white and black subjects. Further analyses by adenoma location revealed more pronounced reduction in proximal CRA prevalence for Hispanics versus non-Hispanics (5.3% vs. 13.1%; adjusted odds ratio, 0.42; 95% confidence interval, 0.26-0.70; P<0.001), whereas CRA prevalence in distal colon, rectum or multiple locations did not differ significantly between race/ethnicity groups. CONCLUSIONS: Our data showed a marked distinction in CRA prevalence, particularly proximal adenomas, between Hispanics and non-Hispanics. Additional multicenter studies are needed to confirm these findings, elucidate the underlying mechanisms, and clarify the implications for CRC screening and other preventive and/or therapeutic interventions.
BACKGROUND AND AIMS: Epidemiological data have demonstrated that Hispanics have a lower incidence rate of colorectal cancer (CRC) compared with other major race/ethnicity groups in the United States. However, data regarding the relative prevalence of colorectal adenomas (CRAs) in Hispanic versus non-Hispanic populations are currently sparse and inconclusive. METHODS: We conducted a retrospective review of colonoscopy patients (n=1656) at a single tertiary-care community hospital from 2007 to 2011, to evaluate the association of self-reported race/ethnicity status with CRA prevalence and characteristics. Established CRC risk factors were also included in multivariate regression models. RESULTS: Overall, the CRA prevalence was lower in Hispanic subjects than non-Hispanic subjects (14.8% vs. 22.5%) and this difference was statistically significant (adjusted odds ratio, 0.67; 95% confidence interval, 0.47-0.96; P<0.01). Conversely, no difference in CRA prevalence was observed between non-Hispanic white and black subjects. Further analyses by adenoma location revealed more pronounced reduction in proximal CRA prevalence for Hispanics versus non-Hispanics (5.3% vs. 13.1%; adjusted odds ratio, 0.42; 95% confidence interval, 0.26-0.70; P<0.001), whereas CRA prevalence in distal colon, rectum or multiple locations did not differ significantly between race/ethnicity groups. CONCLUSIONS: Our data showed a marked distinction in CRA prevalence, particularly proximal adenomas, between Hispanics and non-Hispanics. Additional multicenter studies are needed to confirm these findings, elucidate the underlying mechanisms, and clarify the implications for CRC screening and other preventive and/or therapeutic interventions.
Authors: Paul C Schroy; John B Wong; Michael J O'Brien; Clara A Chen; John L Griffith Journal: Am J Gastroenterol Date: 2015-05-26 Impact factor: 10.864
Authors: Eileen Shaw; Matthew T Warkentin; S Elizabeth McGregor; Susanna Town; Robert J Hilsden; Darren R Brenner Journal: J Epidemiol Community Health Date: 2017-08-28 Impact factor: 3.710
Authors: Carolyn M Rutter; Amy B Knudsen; Jennifer S Lin; Kathryn E Bouskill Journal: Cancer Epidemiol Biomarkers Prev Date: 2020-11-03 Impact factor: 4.090