Patients lost to follow-up in shoulder arthroplasty: Descriptive characteristics and reasons

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• dc.contributor.author Torrens Cánovas, Carlos
• dc.contributor.author Martínez Torregrosa, Raquel
• dc.contributor.author Santana Pérez, Fernando
• dc.date.accessioned 2022-08-31T07:43:29Z
• dc.date.available 2022-08-31T07:43:29Z
• dc.date.issued 2022
• dc.description.abstract Background: The purpose of this study was to determine the number of patients lost to follow-up yearly in shoulder arthroplasty and investigate the characteristics of the patients lost to follow-up that may differ from those not lost to follow-up. Methods: All shoulder arthroplasties performed from January 2008 to December 2014 were retrospectively reviewed. The number of patients lost to follow-up was determined yearly. Independent variables included age, sex, body mass index (BMI), diagnosis, type of prostheses, living condition, smoking, alcohol intake, American Society of Anesthesiologists (ASA) score, in-hospital length, surgery length, living area, preoperative Constant score, last Constant score available, and complications. Number of deaths was recorded. Results: This study included 251 patients. There was an accumulation of 86 patients (34.3%) lost to follow-up after a maximum of 8 years. During the first year, 9.9% of the patients were lost to follow-up, 18.3% in the second year, 25.1% in the third year, 28.7% in the fourth year, 31.5% in the fifth year, 33.9% in the sixth year, and 34.3% in the seventh year. Patients with severe obesity had 2.44 times greater risk of being lost to follow-up (hazard ratio [HR], 2.44; p < 0.001). Elderly patients were also at higher risk (HR, 1.05; p < 0.001). Increases in the ASA score raised the risk of being lost (HR, 1.93; p < 0.001). Patients with complications had a lower risk (43%) of being lost (HR, 0.57; p = 0.018) at the 8-year follow-up. At the 2-year follow-up, the patients with acute fractures and fracture sequelae had a higher risk of being lost to follow-up (HR, 2.44; p = 0.002), and the patients with complications were not significantly different from those without complications (HR, 0.54; p = 0.12). Conclusions: The longer the follow-up in shoulder arthroplasty, the greater the number of patients lost to follow-up, reaching 34.3% by the seventh year. Patients lost to follow-up were not random in shoulder arthroplasty: older patients, severely obese patients, and those with higher ASA scores were at higher risk of being lost to follow-up, but reasons for being lost to follow-up changed through time and depending on when they were assessed.
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• dc.identifier.citation Torrens C, Martínez R, Santana F. Patients lost to follow-up in shoulder arthroplasty: Descriptive characteristics and reasons. Clin Orthop Surg. 2022 Mar;14(1):112-8. DOI: 10.4055/cios21034
• dc.identifier.doi http://dx.doi.org/10.4055/cios21034
• dc.identifier.issn 2005-291X
• dc.identifier.uri http://hdl.handle.net/10230/53958
• dc.language.iso eng
• dc.publisher The Korean Orthopaedic Association
• dc.relation.ispartof Clin Orthop Surg. 2022 Mar;14(1):112-8
• dc.rights © 2022 by The Korean Orthopaedic Association. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
• dc.rights.accessRights info:eu-repo/semantics/openAccess
• dc.rights.uri http://creativecommons.org/licenses/by-nc/4.0
• dc.subject.keyword Follow-up
• dc.subject.keyword Outcomes
• dc.subject.keyword Shoulder arthroplasty
• dc.title Patients lost to follow-up in shoulder arthroplasty: Descriptive characteristics and reasons
• dc.type info:eu-repo/semantics/article
• dc.type.version info:eu-repo/semantics/publishedVersion