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HV deformities are usually classified into mild\/moderate\/severe. The aim was to investigate the cut-off criteria used to classify HV deformity.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Materials and Methods<\/jats:title>\n                <jats:p>The study was based on a previous living systematic review. Four common databases were searched for the last decade. All review-steps were conducted by two reviewers. Data assessed were the individual cut-off values used to classify HV deformity into mild\/moderate\/severe, and the referenced classification systems.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>46 studies were included. 21\/18 studies grade deformity based on the intermetatarsal angle (IMA)\/ hallux valgus angle (HVA) with great heterogeneity throughout the different cut-off values. The most referenced classification systems were the Coughlin and Mann\u2019s and the Robinson classification.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>The currently used classification systems are heterogenic, and no standard could be defined. The community should define a uniform classification system.<\/jats:p>\n                <jats:p>Level of Evidence.<\/jats:p>\n                <jats:p>Level I, systematic review of randomized controlled trials and prospective comparative studies.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00402-024-05522-z","type":"journal-article","created":{"date-parts":[[2024,9,11]],"date-time":"2024-09-11T11:09:18Z","timestamp":1726052958000},"page":"4737-4743","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Classification of hallux valgus deformity\u2013is there a standard?"],"prefix":"10.1007","volume":"144","author":[{"given":"Fabian T.","family":"Spindler","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sarah","family":"Ettinger","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"name":"D. A. F. 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