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However, risk factors for LMPRTs are not well known. This study was designed to systematically review the available evidence regarding risk factors associated with LMPRTs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The PubMed, EMBASE, Cochrane Library, and Web of Science databases were searched for papers containing the key words \u201clateral meniscus posterior root tears\u201d, \u201cLMPRTs\u201d and \u201crisk factor\u201d. Inclusion screening, data extraction, and quality assessment of the included articles were conducted independently by two authors. Statistical analysis was conducted to determine risk factors for LMPRTs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Result<\/jats:title><jats:p>Seventeen studies with a total sample size of 6, 589 patients were identified. The pooled prevalence of LMPRTs was 9.6% (range, 5.1\u201333.8%) for ACL injury. Significant risk factors included a patient age of\u2009&lt;\u200930 [OR\u2009=\u20091.4, 95% CI (1.07, 1.84), <jats:italic>p<\/jats:italic>\u2009=\u20090.01], male sex [OR\u2009=\u20091.50, 95% CI (1.24,1.81), <jats:italic>p<\/jats:italic>\u2009=\u20090.01], higher body mass index (BMI) [MD\u2009=\u20090.45, 95% CI (0.13, 0.76), <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01], higher lateral posterior tibial slope (LPTS) [MD\u2009=\u20092.22, 95% CI (1.37, 3.07), <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01], deep sulcus sign [OR\u2009=\u20095.76, 95% CI (1.35, 24.52), <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01] and bone bruises on lateral femoral condyle [OR\u2009=\u20094.88, 95% CI (1.27, 18.77), <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01], lateral meniscal extrusion\u2009&gt;\u20091\u00a0mm [OR\u2009=\u20095.56, 95% CI (1.52, 20.29), <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01] and\u2009&gt;\u20093\u00a0mm [OR\u2009=\u200912.91 95% CI (1.28, 130.01), <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01], medial meniscal tears [OR\u2009=\u20091.40, 95% CI (1.12, 1.75), <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01], and medial ramp lesions [OR\u2009=\u20092.29, 95% CI (1.35, 3.89), <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01].<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Age below 30, male, higher BMI, higher LPTS, deep sulcus sign, bone bruises on lateral femoral condyle, lateral meniscal extrusion, medial meniscal tear, and medial ramp lesion are risk factors for LMPRTs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of evidence<\/jats:title><jats:p>Level IV.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00167-022-06967-8","type":"journal-article","created":{"date-parts":[[2022,4,16]],"date-time":"2022-04-16T05:04:24Z","timestamp":1650085464000},"page":"4144-4155","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":31,"title":["Age, male sex, higher posterior tibial slope, deep sulcus sign, bone bruises on the lateral femoral condyle, and concomitant medial meniscal tears are risk factors for lateral meniscal posterior root tears: a systematic review and meta\u2010analysis"],"prefix":"10.1002","volume":"30","author":[{"given":"Meng","family":"Wu","sequence":"first","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopaedics Lanzhou University Second Hospital No. 82 Cuiyingmen, Chengguan District 730030 Lanzhou Gansu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jin","family":"Jiang","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopaedics Lanzhou University Second Hospital No. 82 Cuiyingmen, Chengguan District 730030 Lanzhou Gansu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhongcheng","family":"Liu","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopaedics Lanzhou University Second Hospital No. 82 Cuiyingmen, Chengguan District 730030 Lanzhou Gansu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaowen","family":"Dai","sequence":"additional","affiliation":[{"name":"<!--<label>2<\/label>--> Department of Orthopaedics Yuzhong Hospital of Traditional Chinese Medicine No. 54, Yiwu Road, Chengguan Town, Yuzhong County 730030 Lanzhou Gansu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yumei","family":"Dong","sequence":"additional","affiliation":[{"name":"<!--<label>3<\/label>--> Department of Pharmacy Lanzhou University Second Hospital No. 82 Cuiyingmen, Chengguan District 730030 Lanzhou Gansu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9616-8769","authenticated-orcid":false,"given":"Yayi","family":"Xia","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopaedics Lanzhou University Second Hospital 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This systematic review does not contain any human participants or animal performed by any of the authors.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"For this type of study formal consent is not required.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}}]}}