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.
Survival analyses with log-rank test revealed that patients with polymyositis/dermatomyositis-associated interstitial lung disease in different risk groups had distinct 1 year survival probabilities in the development cohort (A) and internal validation cohort (B).
