Hafiz Muhammad Sharjeel Arshad1, Christopher Kabir2, Eula Tetangco3, Natahsa Shah3, Hareth Raddawi3. 1. Department of Internal Medicine, University of Illinois at Chicago/Advocate Christ Medical Center, 4440 W 95th Street, NO 131, Oak Lawn, IL, USA. sharjeel_169@hotmail.com. 2. Department of Research, Advocate Christ Medical Center, Oak Lawn, IL, USA. 3. Department of Internal Medicine, University of Illinois at Chicago/Advocate Christ Medical Center, 4440 W 95th Street, NO 131, Oak Lawn, IL, USA.
Abstract
BACKGROUND: Recently published data indicate increasing incidence of colorectal adenocarcinoma (CRC) in young-onset (<50 years) patients. AIMS: This study examines racial disparities in presentation and survival times among non-Hispanic Blacks (NHB) and Hispanics compared with non-Hispanic Whites (NHW). METHODS: A retrospective single-center cohort study was conducted from 2004 through 2014 using 96 patient medical charts with a diagnosis of young-onset CRC. Age, gender, primary site, and histological stage at the time of diagnosis were assessed for survival probabilities by racial group over a minimum follow-up period of 5 years. RESULTS: Among subjects with CRC diagnosis before 50 years of age, the majority of subjects were between 40 and 50 years, with CRC presentation occurring among this age group for 51 (79.7%) of NHW, 18 (81.8%) of NHB, and 5 (50.0%) of Hispanics. The majority of all patients presented with advanced stages of CRC (31.3% with stage III and 27.1% with stage IV). NHB exhibited statistically significantly worse survival compared to NHW (adjusted hazard ratio for death = 2.09; 95% confidence interval 1.14-3.84; P = 0.02). A possible trend of worse survival was identified for Hispanics compared to NHW, but this group was low in numbers and results were not statistically significant. CONCLUSION: Disparities between racial groups among young-onset CRC cases were identified in overall survival and reflect growing concern in rising incidence and differentiated care management.
BACKGROUND: Recently published data indicate increasing incidence of colorectal adenocarcinoma (CRC) in young-onset (<50 years) patients. AIMS: This study examines racial disparities in presentation and survival times among non-Hispanic Blacks (NHB) and Hispanics compared with non-Hispanic Whites (NHW). METHODS: A retrospective single-center cohort study was conducted from 2004 through 2014 using 96 patient medical charts with a diagnosis of young-onset CRC. Age, gender, primary site, and histological stage at the time of diagnosis were assessed for survival probabilities by racial group over a minimum follow-up period of 5 years. RESULTS: Among subjects with CRC diagnosis before 50 years of age, the majority of subjects were between 40 and 50 years, with CRC presentation occurring among this age group for 51 (79.7%) of NHW, 18 (81.8%) of NHB, and 5 (50.0%) of Hispanics. The majority of all patients presented with advanced stages of CRC (31.3% with stage III and 27.1% with stage IV). NHB exhibited statistically significantly worse survival compared to NHW (adjusted hazard ratio for death = 2.09; 95% confidence interval 1.14-3.84; P = 0.02). A possible trend of worse survival was identified for Hispanics compared to NHW, but this group was low in numbers and results were not statistically significant. CONCLUSION: Disparities between racial groups among young-onset CRC cases were identified in overall survival and reflect growing concern in rising incidence and differentiated care management.
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