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.
Patient enrollment and randomization. Exclusion criteria were locked knee or joint locking for more than 2 seconds more often than once a week, rheumatic or neurological disease, fibromyalgia, replacement of hip or knee joints, or a contraindication for surgery (body mass index >35 kg/m2 or a serious medical illness). Groups analyzed in the as-treated analysis: surgery group = a + c (total of 85 patients) and nonsurgery group = b + d (total of 61 patients).
