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Persistence of excess mortality following individual non-hip fractures: A relative survival analysis

Abstract

Context: Little is known about long-term excess mortality following fragility non-hip fractures. Objective: The study aimed to determine which fracture was associated with excess mortality, and for how long the post-fracture excess mortality persisted. Design, Setting, and Patients: This nationwide, registry-based follow-up study included all individuals in Denmark aged 50+ years who first experienced fragility fractures in 2001 and were followed up to 10 years for their mortality risk. Main outcome measure: The contribution of fracture to mortality at precise time intervals post-fracture was examined using relative survival analysis, accounting for time-related mortality changes in the background population. Results: There were 21123 women (aged 72+/- 13 years) and 9481 men (67+/-12) with an incident fragility fracture in 2001 followed by 10668 and 4745 deaths, respectively. Excess mortality was observed following all proximal and lower leg fractures. The majority of deaths occurred within the first year post-fracture and thereafter excess mortality gradually declined. Hip fractures were associated with the highest excess mortality (33% and 20% at one year post-fracture in men and women, respectively). One-year excess mortality was 20-25% after femur or pelvis, 10% following vertebral, 5-10% following humerus, rib or clavicle, and 3% following lower leg fractures. A significant- although smaller- excess mortality was still observed until 10 years for hip, and approximately 5 years after femur, other proximal and lower leg fractures. Conclusion: This study highlights the important contribution of a wide variety of fragility fractures to long-term excess mortality, and thus the potential for benefit from early intervention.

Type Journal
ISBN 1945-7197 (Electronic) 0021-972X (Linking)
Authors Tran, T.; Bliuc, D.; Hansen, L.; Abrahamsen, B.; van den Bergh, J.; Eisman, J. A.; van Geel, T.; Geusens, P.; Vestergaard, P.; Nguyen, T. V.; Center, J. R.
Publisher Name JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM
Published Date 2018-07-19
Published Volume 103
Published Issue 9
Published Pages 3205-3214
Status Published in-print
DOI 10.1210/jc.2017-02656
URL link to publisher's version https://www.ncbi.nlm.nih.gov/pubmed/30053007