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Erschienen in:
03.02.2017 | Original Article
Effect of comorbidities on the association between age and hospital mortality after fall-related hip fracture in elderly patients
Erschienen in: Osteoporosis International | Ausgabe 5/2017
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Summary
The relation between age and mortality after hip fracture was analyzed in elderly patients. 5.5% of the 31,884 patients died. Compared to those 65–74 years old, the multivariate OR for mortality for those 75–84 and ≥85 were 2.11 (95% CI: 1.61–2.77) and 4.10 (95% CI: 3.14–5.35).
Purpose
To analyze the impact of Elixhauser comorbidities on the relation between age and mortality after hip fracture in elderly patients.
Methods
Cross-sectional study of the population ≥65 years old hospitalized in Spain in 2013 with a diagnosis of fall-related hip fracture in the Basic Minimum Set Data (BMSD). The impact of Elixhauser comorbidities on the association between mortality and age groups (65–74, 75–84, ≥85) was analyzed by logistic regression models with progressive adjustment for demographic variables and comorbidities introduced individually.
Results
We identified 31,884 patients, 5.5% of which died during hospitalization. Compared with those 65–74 years old, the multivariate OR of mortality for those 75–84 and ≥85 years old decreased from 2.23 (95% CI: 1.71–2.90) and 4.57 (95% CI: 3.54–5.90) to 2.11 (95% CI: 1.61–2.77) and 4.10 (95% CI: 3.14–5.35), respectively after adjustment for comorbidities. The OR of mortality for men was 1.77 (95% CI: 1.58–1.98) compared to women. The comorbidities with higher OR for mortality were congestive heart failure (OR: 3.88; 95% CI: 3.42–4.41), metastasis (OR: 3.44; 95% CI: 2.27–5.20), fluid and electrolyte disorders (OR: 2.95; 95% CI: 2.47–3.52), coagulation deficiencies (OR: 2.87; 95% CI: 2.08–3.96), and liver disease (OR: 2.40; 95% CI: 1.82–3.17).
Conclusions
The association between age and mortality after hip fracture remains after adjusting for numerous comorbidities. However, some potentially controllable disorders are associated with an increased risk for mortality, thus, improving their management could benefit survival.