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.
(A) The natural course of radiographic progression. The black line indicates the mean radiographic progression of the entire patient cohort. (B) Predicted value of radiographic progression over time in multivariable analysis according to sex. mSASSS: modified Stoke Ankylosing Spondylitis Spine Score.
