Figure 1.
The OMERACT Filter 2.0 Instrument Selection Algorithm (OFISA) and red-amber-green checklist. Adapted with permission from the OMERACT Handbook. OMERACT: Outcome Measures in Rheumatology; R: red; A: amber; G: green.
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.