This 2013 multicenter, randomized, double-blind, sham-controlled trial (FIDELITY) assessed the effectiveness of arthroscopic partial meniscectomy (APM) in 146 patients aged 35–65 with degenerative medial meniscal tears and no radiographic knee osteoarthritis. Participants were randomized to undergo either APM or sham surgery. At 12 months, both groups showed significant improvements in
