An official website of the United States government
Here's how you know
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.
Study sample: enrollment and analysis. *WCHQ: Wisconsin Collaborative for Healthcare Quality. † Mean follow-up: 20 (±13) months; ‡ Achieved hypertension control prior to medication initiation.