These charts, from CDC's analysis for the MMWR report "Patterns and Trends in Age-Specific Black-White Differences in Breast Cancer Incidence and Mortality—United States, 1999–2014" (October 14, 2016), show trends in invasive female breast cancer incidence by race and age.
The trends
Average annual percentage change (AAPC) in incidence, 1999 to 2013:
| Age | White women | Black women |
|---|---|---|
| Under 50 | 0 | 0.2 |
| 50–59 | −1.7 | −0.1 |
| 60–69 | −0.7 | 1.3 |
| 70–79 | −0.5 | 1.1 |
| 80 and older | −1.3 | −0.2 |
Trends among Black women differed significantly (P<.05) from those among White women in every age group except under 50.
Under 50.
50–59.
60–69.
70–79.
80 and older. Charts: CDC.
Methods
- Data: population-based registries in CDC's National Program of Cancer Registries and the National Cancer Institute's Surveillance, Epidemiology, and End Results (SEER) Program, limited to registries meeting data quality criteria for every year from 1999 to 2013 — about 92% of the U.S. population.
- Trends: AAPCs from joinpoint regression, allowing different slopes over three periods, with change points that could differ by age and race.
Sources
Based on "MMWR Appendix: Breast Cancer Rates Among Black Women and White Women," Centers for Disease Control and Prevention; a work of the United States government in the public domain.
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