The researchers found that for each age decade from 20 to 79 years, breast cancer mortality rates decreased by 1.5% to 3.4% per year between 1989 and 2010. After 2010, breast cancer mortality rates continued to decline in each age decade from 40 to 79 years by 1.2%.
Feb 10, 2021
TUESDAY, Feb. 9, 2021 (HealthDay News) For women aged younger than 40 years, breast cancer mortality rates have stopped declining since 2010, according to a study published online Feb. 9 in
Radiology.
R. Edward Hendrick, Ph.D., from the University of Colorado School of Medicine in Aurora, and colleagues analyzed U.S. breast cancer mortality rates by age decade among women aged 20 to 79 years. Female breast cancer mortality rates were analyzed from 1969 to 2017 for all races.
The researchers found that for each age decade from 20 to 79 years, breast cancer mortality rates decreased by 1.5 to 3.4 percent per year between 1989 and 2010. After 2010, breast cancer mortality rates continued to decline in each age decade from 40 to 79 years by 1.2 to 2.2 percent per year, but the decline stopped among women aged younger than 40 years. After 2010, for women aged 20 to 29 years and 30 to 39 years, there were nonsignificant increases of 2.8 and 0.3 percent per year in breas