Key result
Among Medicare patients with femoral neck fractures, female sex was associated with lower in-hospital mortality compared to male sex (1.22% vs 2.32%; OR 0.5, 95% CI 0.25-1.04).
Why the study?
What is the in-hospital mortality rate associated with femoral neck fractures in the US Medicare population?
Observational (n=751,232)
Yes
What is the in-hospital mortality rate associated with femoral neck fractures in the US Medicare population?
In-hospital mortality for femoral neck fractures in the Medicare population is 1.5%, with higher risk in men and patients older than 84 years.
Answers are grounded in this paper and cite their sources.
Female sex was associated with lower femoral neck fracture mortality; leaves open whether sex-specific risk models improve Medicare outcomes.
Increased risk of mortality with time has been established in association with femoral neck fractures. However, little is known about the in-hospital mortality risk associated with femoral neck fractures in the US population. This study was conducted to determine the in-hospital mortality rate associated with femoral neck fractures and to identify independent demographic features associated with an increased risk of this primary outcome. The authors queried the PearlDiver database (PearlDiver Technologies, Inc, West Conshohocken, Pennsylvania) of Medicare patients from 2005 to 2010 for International Classification of Diseases, 9th Revision (ICD-9), diagnostic codes for femoral neck fractures and related conditions. Stratified sampling was conducted by creating a group within the data set that included patients with a death discharge using ICD-9-D-820.0 through ICD-9-D-820.13. Age, sex, and year of injury were analyzed as specific demographic variables related to mortality. A total of 751,232 femoral neck fractures occurred during the index study period. There were 11,420 deaths during the initial hospital stay, for an overall mortality rate of 1.52%. The mortality rate in patients older than 84 years was 2.06%. Of all deaths, 89% occurred in patients who were 75 years and older. The mortality rate for femoral neck fractures was 1.22% in women and 2.32% in men (odds ratio, 0.5; 95% confidence interval, 0.25-1.04). The overall mortality rate for patients in the Medicare population who were treated at an inpatient center for femoral neck fractures from 2005 to 2010 was 1.5%. Men had a mortality rate almost twice that of women. Patients older than 84 years were the most likely to die soon after sustaining a femoral neck fracture.
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Erickson et al. (2015) conducted an observational in Femoral neck fractures (n=751,232). Female sex vs. Male sex was evaluated on In-hospital mortality (OR 0.5, 95% CI 0.25-1.04). Among Medicare patients with femoral neck fractures, female sex was associated with lower in-hospital mortality compared to male sex (1.22% vs 2.32%; OR 0.5, 95% CI 0.25-1.04).
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