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This study investigated the relationship between preoperative diaphragmatic thickness (DT) and perioperative complications.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We enrolled 101 patients\u2009\u2265\u200975\u00a0years old who had undergone radical resection for primary lung cancer between 2013 and 2018. Bilateral DT was measured on axial and coronal computed tomography, and the mean DT (MDT) was calculated based on these measurements. Outcomes were assessed based on postoperative complications, defined as Clavien\u2013Dindo classification\u2009\u2265\u20092.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The MDT was 3.51\u2009\u00b1\u20091.00\u00a0mm. Thirteen patients who experienced postoperative respiratory complications had a significantly lower MDT than a higher MDT (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.0390). Multivariate logistic regression analyses revealed that an MDT\u2009\u2264\u20093.63\u00a0mm was an independent factor associated with postoperative complications (odds ratio, 5.559).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Patients with a low MDT are at an increased risk of postoperative complications. Therefore, these patients require careful perioperative management.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00595-025-03130-x","type":"journal-article","created":{"date-parts":[[2025,9,20]],"date-time":"2025-09-20T12:29:19Z","timestamp":1758371359000},"page":"293-300","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Association between diaphragm thickness and postoperative complications in elderly patients with non-small-cell lung cancer"],"prefix":"10.1007","volume":"56","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1304-2608","authenticated-orcid":false,"given":"Shoji","family":"Kuriyama","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Motoko","family":"Konno","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naoko","family":"Mori","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sumire","family":"Shibano","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shinogu","family":"Takashima","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tsubasa","family":"Matsuo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yusuke","family":"Sato","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyoko","family":"Nomura","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoshihiro","family":"Minamiya","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kazuhiro","family":"Imai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,9,20]]},"reference":[{"key":"3130_CR1","first-page":"209","volume":"71","author":"H Sung","year":"2021","unstructured":"Sung H, Ferlay J, Siegel RL, Laversanne M, Soerjomataram I, Jemal A, et al. 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