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This was a nested case\u2013control study using the Japan Trauma Data Bank between 2004 and 2017. We enrolled patients aged\u2009\u2265\u200916\u00a0years, Injury Severity Score\u2009\u2265\u20099, and length of hospital stay\u2009\u2265\u20092\u00a0days, with PE and without PE, using propensity score matching. We conducted logistic regression analyses to examine risk factors for PE. We included 719 patients with PE and 3595 patients without PE. Of these patients, 1864 [43.2%] were male, and their median Interquartile Range (IQR) age was 73 [55\u201384] years. The major mechanism of injury was blunt (4282 [99.3%]). Median [IQR] Injury Severity Score (ISS) was 10 [9\u201318]. In the multivariate analysis, the variables spinal injury [odds ratio (OR), 1.40 (1.03\u20131.89)]; long bone open fracture in upper extremity and lower extremity [OR, 1.51 (1.06\u20132.15) and OR, 3.69 (2.89\u20134.71), respectively]; central vein catheter [OR, 2.17 (1.44\u20133.27)]; and any surgery [OR, 4.48 (3.46\u20135.81)] were independently associated with PE. Spinal injury, long bone open fracture in extremities, central vein catheter placement, and any surgery were risk factors for post-traumatic PE. Prompt initiation of prophylaxis is needed for patients with such trauma.<\/jats:p>","DOI":"10.1038\/s41598-021-98692-4","type":"journal-article","created":{"date-parts":[[2021,9,28]],"date-time":"2021-09-28T06:03:06Z","timestamp":1632808986000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["A nested case\u2013control study of risk for pulmonary embolism in the general trauma population using nationwide trauma registry data in Japan"],"prefix":"10.1038","volume":"11","author":[{"given":"Hiroki","family":"Iriyama","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akira","family":"Komori","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takako","family":"Kainoh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yutaka","family":"Kondo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toshio","family":"Naito","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toshikazu","family":"Abe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,9,28]]},"reference":[{"key":"98692_CR1","doi-asserted-by":"publisher","first-page":"2","DOI":"10.1097\/00005373-199201000-00002","volume":"32","author":"MM Knudson","year":"1992","unstructured":"Knudson, M. 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