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.
Mean muscle echogenicity (gray‐scale value 0–255) with muscle thickness (centimeters) across muscles for each disease group in the Johns Hopkins (A) and Radboudumc (B) cohorts. DM, dermatomyositis; FDP, flexor digitorum profundus; IBM, inclusion body myositis; PM, polymyositis
