All patients were performed digital radiographs which one-leg and both-leg standing anteroposterior view. Medial and lateral joint space width were measured. The severity of OA knee was identified by the Kellgren-Lawrence (KL) classification.

Read more: http://www.clinicaltrials.gov/ct2/show/NCT02051699?cond=%22Arthritis%22&lup_s=01/29/2014&lup_d=30