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The authors adhered to the PRISMA and R\u2010AMSTAR guidelines as well as the Cochrane Handbook for Systematic Reviews of Interventions. Clinical outcome data on Lysholm, Tegner, International Knee Documentation Committee (IKDC), revision rates, and complications were recorded, with MINORS and Detsky scores used for quality assessment.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 38 studies comprising 2213 patients were included with a mean age of 38.6 years (range: 9.0\u201364.4). The mean follow\u2010up time was 54.1\u00a0months (range: 1\u2013234) and the average percentage of female participants was 46.8% (range: 9.5\u201395.5). The mean change between pre\u2010operative and post\u2010operative Lysholm scores ranged from 21.0\u201339.0, 7.4\u201324.1, and 24.2\u201348.4\u00a0in the discoid, non\u2010discoid meniscectomy, and non\u2010discoid repair groups, respectively. The mean change in Tegner scores ranged from 0.0 to 2.3, 1.3, and 0.4\u20131.3\u00a0in the discoid, non\u2010discoid meniscectomy, and non\u2010discoid repair groups, respectively. Pre\u2010operative IKDC scores were not reported, however mean post\u2010operative IKDC scores ranged from 77.4 to 96.0, 46.9 to 85.7, and 63.1 to 94.0\u00a0in discoid, non\u2010discoid meniscectomy, and non\u2010discoid repair groups, respectively. Revision rates for discoid procedures, non\u2010discoid meniscectomies, and non\u2010discoid meniscus repairs ranged from 3.2 to 44.0%, 8.3 to 56.0%, and 5.9 to 28.0%, respectively. The most common reasons for revision were acute trauma and persistent pain.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Discoid saucerization procedures with or without repair leads to similar Lysholm scores as non\u2010discoid repair procedures, and similar IKDC scores and revision rates compared to non\u2010discoid meniscectomy or repair procedures. Patients undergoing discoid procedures appeared to have slightly higher Tegner activity scores compared to patients undergoing non\u2010discoid procedures; however this is to be considered in the context of a younger population of patients undergoing discoid procedures than non\u2010discoid procedures. This information can help guide surgeons in the decision\u2010making process when treating patients with discoid menisci, and should guide further investigations on this topic.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of evidence<\/jats:title><jats:p>IV.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00167-023-07398-9","type":"journal-article","created":{"date-parts":[[2023,4,5]],"date-time":"2023-04-05T04:01:15Z","timestamp":1680667275000},"page":"3369-3380","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Patients with discoid menisci have similar clinical outcomes to those without discoid menisci when undergoing surgical intervention: a systematic review"],"prefix":"10.1002","volume":"31","author":[{"given":"Yi David","family":"Diao","sequence":"first","affiliation":[{"name":"<!--<label>1<\/label>--> Michael DeGroote School of Medicine McMaster University Hamilton ON 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