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 rate (± SE) of medial-compartment joint space narrowing (JSN) over 30 months in varus, neutral and valgus knees: comparisons of knees treated with doxycycline and placebo. For varus, neutral and valgus knees, N’s in the doxycycline treatment group were 35, 37 and 109, respectively. For the placebo arm of the RCT, the corresponding N’s were 42, 49 and 89, respectively).
