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Researchers reported in 2014 that, in a randomized trial of 146 patients (age range, 35–65) with knee pain and nontraumatic meniscal tears without osteoarthritis, those who underwent arthroscopic partial meniscectomies showed no benefit after 1 year compared with those who underwent sham procedures. Both groups showed marked improvement in knee pain–related scores, and no significant differences were observed between groups in secondary outcomes (NEJM JW Gen Med Feb 15 2014 and N Engl J Med 2013; 369:2515). Now, the same investigators report a 2-year follow-up.
After 2 years of follow-up, no differences between groups were noted in any of the standardized knee pain scores. In addition, all secondary outcome scores were similar, including in …