Causes of death among 93.637 hip fracture patients- data based on the Danish National Registry of causes of death.
Level 3 - non-randomized controlled study
Nationwide non-randomized observational cohort study using registry data.
PubMed 34590173 · doi:10.1007/s00068-021-01791-0
What was done
A nationwide retrospective cohort study of all Danish patients aged 18 years or older who sustained a hip fracture between 2002 and 2012 (excluding December 2012) using the Danish National Patient Registry and Danish National Registry of Causes of Death. The study evaluated causes of death within 30 days post-fracture across age and sex groups, focusing on potentially preventable conditions such as pneumonia, urinary tract infections, and thromboembolic events, using multivariable logistic regression adjusted for age, sex, and Charlson Comorbidity Index.
What was found
Among 93,637 patients who sustained a hip fracture, 9,504 died within 30 days. The two leading medical causes of 30-day mortality across both sexes were cardiovascular disease (21.1%) and pneumonia (10.5%). Non-pneumonia infections—predominantly urinary tract infections—accounted for 18.2% of deaths in women under 50 years of age. Pulmonary embolism was recorded in 3.9% of deaths. Specific adjusted odds ratios and confidence intervals were not reported in the abstract.
Why it matters
This study defines the primary drivers of short-term mortality after hip fracture in a nationwide cohort, highlighting cardiovascular complications and preventable infections as critical targets for postoperative care.
Limits
The analysis is observational and relies on death certificate coding, which is prone to misclassification and probable underreporting of conditions like pulmonary embolism. Key statistical estimates (odds ratios and confidence intervals) were omitted from the abstract.
Cited by
- context Pneumonia is the secondary complication that causes death following most hip fractures in elderly patients.