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This investigation sought to assess the effect of the stem design on patients\u2019 RTW. Secondly, the study aimed to identify risk factors that lead to a delayed RTW. Questionnaires inquiring about RTW, employment history, educational level, type of work, physical demands and joint awareness were administered by post. Further data were collected from patients\u2019 hospital records. 176 patients who underwent THA using a short-stem and 97 patients using a straight-stem design were compared. The median return to work time was 10\u00a0weeks [IQR 7\u201314\u00a0weeks], with no significant difference between the two groups (short stems vs. straight stems; 10 [IQR 7\u201314] vs. 11 [7.5\u201313.5] weeks; p\u2009=\u20090.693). In the multivariate linear regression analysis, self-employment vs. employee (p\u2009=\u20090.001), dimension of preoperative workload (p\u2009=\u20090.001), preoperative sick leave (p\u2009&lt;\u20090.001), and hospital length of stay (LOS) (p\u2009&lt;\u20090.001) independently affected the period until work was resumed. The Forgotten-Joint-Score-12 showed no significant difference between the two groups. The data show that the majority of THA patients can expect to resume work and stem design has no impact on RTW. Employees with preoperative sick leave, prolonged hospital LOS and low workload are at higher risk for a delayed RTW.<\/jats:p>","DOI":"10.1038\/s41598-021-82805-0","type":"journal-article","created":{"date-parts":[[2021,3,2]],"date-time":"2021-03-02T11:04:56Z","timestamp":1614683096000},"update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Short-stem total hip arthroplasty is not associated with an earlier return to work compared to a straight-stem design"],"prefix":"10.1038","volume":"11","author":[{"given":"Georg","family":"Hauer","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maria","family":"Smolle","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sabrina","family":"Zaussinger","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joerg","family":"Friesenbichler","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andreas","family":"Leithner","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Werner","family":"Maurer-Ertl","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2021,3,2]]},"reference":[{"key":"82805_CR1","doi-asserted-by":"publisher","first-page":"780","DOI":"10.2106\/00004623-200704000-00012","volume":"89","author":"S Kurtz","year":"2007","unstructured":"Kurtz, S., Ong, K., Lau, E., Mowat, F. & Halpern, M. 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W.M.E has received financial support for presentations as well as support for research by ImplanTec not directly related to this study. The other authors declare no competing interests.","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"4968"}}