ArticleEuropean journal of trauma and emergency surgery : official publication of the European Trauma Society2026
Waiting time and mortality after hip fracture: findings from a large single-center cohort study.
Article in European journal of trauma and emergency surgery : official publication of the European Trauma Society, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeTime to surgery after hip fracture is a potentially modifiable factor that may influence mortality, but the evidence for an association is conflicting for waiting time < 48 h. The aim of this study was to investigate the association between waiting time to surgery and mortality, with waiting time categorized into 12-hour intervals.
methodsWe analysed all hip fractures operated at a large Norwegian hospital between 2015 and 2023. Waiting time from admission to surgery was categorized into 12-hour intervals. Mortality at one week, one month, three months (pre-specified primary endpoint) and one year was assessed using multivariable logistic regression, adjusting for age, sex, nursing home residency, Charlson Comorbidity Index (CCI), fracture type, calendar year of surgery, and direct-acting oral anticoagulant (DOAC) use. Model fit and discrimination were assessed for all models.
resultsThe study included 4136 hip fractures. At the pre-specified primary endpoint of three months, mortality was numerically higher in patients with waiting times > 12 h, but this did not reach statistical significance for any waiting-time category (adjusted odds ratio [AOR] 1.16-1.25, all p > 0.2). Among the secondary, exploratory endpoints, the one-year timepoint showed increased mortality with increased waiting: patients operated between 12 and 24 h had significantly higher one-year mortality (AOR 1.38, 95% CI 1.10-1.72), rising to an AOR of 1.80 (95% CI 1.20-2.71) for waiting times exceeding 48 h.
conclusionsIn this cohort, waiting time beyond 12 h was associated with a higher one-year mortality, but the association was not statistically significant at the primary endpoint at three months. Given the observational design and the possibility of residual confounding, these findings should be interpreted with caution.
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