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.
The cohort composition based on eligibility and data availability for peripheral arterial disease (PAD) participants in the Walking and Leg Circulation Study (WALCS) and WALCS II studies. WIQ = Walking Impairment Questionnaire.
