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.
| BC mortality reduction compared to Background: | ||||
| Only screening | Only adjuvant treatments | Both interventions | Synergy | |
| 2008 | 20.4 | 15.8 | 34.1 | −2.1 |
| 1990–2008 | 12.7 | 12.4 | 23.7 | −1.4 |
