Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Estimated fractions of breast cancer cases attributable to hormone treatment and screening mammography
| Age group | 1987 | 2002 (peak incidence) | 2008 |
|---|---|---|---|
| 50-69: | |||
| Hormone treatment attributable proportion | 0.07 | 0.27 | 0.13 |
| Screening attributable proportion | 0.00 | 0.23 | 0.17 |
| All studied age groups*: | |||
| Hormone treatment attributable proportion | 0.04 | 0.19 | 0.09 |
| Screening attributable proportion | 0.00 | 0.12 | 0.08 |
*Age 30-90 years.
