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This study explored risk factors for complications, focusing on sarcopenia.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The study explored the associations between computed tomography\u2010defined sarcopenia and the occurrence of postoperative complications, adjusted for age, gender, smoking, alcohol, ASA scoring, clinical stage of tumor, tumor site, type of free flap used, presence of tracheotomy, and blood test parameters.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of 253 patients, 17.39% (44\/253) of oral cancer patients had comorbid sarcopenia. Univariate analysis showed an overall postoperative complication rate of 65.90% in the sarcopenia group and 51.67% in the non\u2010sarcopenia group. Multivariate modeling showed sarcopenia and smoking were major risk factors for total and respiratory complications, increasing the risks by over two\u2010fold. No factors significantly impacted surgery\u2010specific complications.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This study identified sarcopenia as a risk factor for postoperative complications in oral cancer patients undergoing flap reconstruction.<\/jats:p><\/jats:sec>","DOI":"10.1002\/hed.27479","type":"journal-article","created":{"date-parts":[[2023,8,10]],"date-time":"2023-08-10T09:14:15Z","timestamp":1691658855000},"page":"2555-2570","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Computed tomography\u2010defined sarcopenia as a risk factor for short\u2010term postoperative complications in oral cancer patients with free flap reconstruction: A retrospective population\u2010based cohort study"],"prefix":"10.1002","volume":"45","author":[{"given":"Bo","family":"Lin","sequence":"first","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, Stomatological Center 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