The Future Burden of Colorectal Cancer Among US Blacks and Whites

Abstract

Although overall colorectal cancer (CRC) incidence rates in the United States are declining, rates among younger persons (age < 55 years) are increasing, particularly among US whites. We assessed how these trends will impact the future burden (up to 2040) of CRC among US blacks and whites using an age-period-cohort model. Over the last four decades (1973 to 2014), CRC incidence rates for all ages (both sexes) have dropped by 6.6% and 33.9% in US blacks and whites, respectively. Yet we predict an upward turn in CRC cancer incidence rates over the next quarter century, particularly among US whites. The age-standardized rates of CRC were 55.4 and 43.2 per 100 000 among US blacks and whites in 2014, respectively, and are projected to be 49.5 and 43.1 in 2040, respectively. Future interventions are needed to reduce the striking differences in CRC incidence between blacks and whites.

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