Figure 1.
Study population. We excluded subjects who were diagnosed with diabetes or cancer before January 2005, those diagnosed with diabetes after cancer, and those with missing data from analysis. DM, diabetes mellitus.
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.