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Comorbidity and Quality of In-Hospital Care for Hip Fracture Patients

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Objectives: We examined whether the comorbidity burden of patients with hip fracture was associated with quality of in-hospital care reflected by fulfillment of process performance measures. Design: Population-based cohort study using prospectively collected data from the Danish Multidisciplinary Hip Fracture Registry (DMHFR). Setting and Participants: Patients aged 65 years or older with an incident hip fracture from 2014 to 2018 registered in the DMHFR (n = 31,443). Methods: Comorbidity was measured using the Charlson Comorbidity Index based on hospital diagnoses. Quality of in-hospital care was defined as fulfillment of eligible process performance measures, including preoperative optimization, early surgery, early mobilization, pain assessment, basic mobility, nutritional risk, need for anti-osteoporotic medication, fall prevention, and a post-discharge rehabilitation program, reflecting guideline-recommended in-hospital care. The outcomes were (1) an all-or-none composite measure defined as fulfillment of all relevant process performance measures, and (2) fulfillment of the individual process performance measures. Using binary regression, we calculated relative risk (RR) for the association between comorbidity level and outcomes. Results: The overall proportion of patients with hip fracture who fulfilled the all-or-none measure was 31%. Among patients with no comorbidity, 34% fulfilled the all-or-none measure versus 29% among patients with high comorbidity (Charlson ≥ 3). This corresponds to a 15% lower chance (RR = 0.85, 95% confidence interval 0.81–0.89). Increasing comorbidity was also associated with lower fulfillment of the individual process performance measures. The largest difference was seen for preoperative optimization, early surgery, and early mobilization, where patients with high comorbidity had 6% to 11% lower chance of fulfillment of these process performance measures compared with patients without comorbidity. Conclusion and Implications: Increasing level of comorbidity was associated with lower quality of in-hospital care among patients with hip fracture. Our results highlight the need for tailored clinical initiatives to ensure that comorbid patients also benefit from the positive progress in hip fracture care in recent years.

Original languageEnglish
JournalJournal of the American Medical Directors Association
Pages (from-to)671-677.e4
Publication statusPublished - Apr 2022

Bibliographical note

Publisher Copyright:
© 2021 The Authors

    Research areas

  • comorbidity, Hip fracture, older people, quality of care

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