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.
Representative examples of the contingency tables used for the Western Ontario and McMaster Universities Osteoarthritis Index physical function subscale WOMAC-PF, Lower Extremity Functional Scale (LEFS), and Activities of Daily Living Scale of the Knee Outcome Survey (ADLS) questionnaires.
