Low-Energy Pelvic Ring Fractures in the Elderly Population: Expected Outcomes and Associated Mortality Rates.

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BackgroundThe aim of the study was to uncover mortality risk utilizing a retrospective review at a level I trauma center in addition to demographic factors.MethodsPatients aged 65 and older with low-energy closed pelvic ring fractures treated non-operatively from 2007 to 2017 were queried from the level I trauma center database. Mortality rate and associated risks were calculated.ResultsThe average age of all the patients included in this study who sustained a low-energy pelvic fracture was 83.1 years (± 7.5; 66 - 97). The mean length of stay was 4.6 days (± 4.4; 0 - 37). The mean number of comorbidities was 2.2. The 1-year mortality rate was 23%. The relative risk (RR) of 1-year mortality for low-energy pelvic fractures for ages 65+ did not statistically differ compared to the US population in 2016 (6.6%) (RR: 1.0; 95% CI). The 2+ comorbidities showed a statistical significance in the pelvic fracture population with a P value of 0.037. Race, sex, discharge disposition and length of stay did not reach statistical significance (P > 0.05).ConclusionLow-energy pelvic injuries do not appear to increase rate of mortality compared to the US population. Fracture pattern, race, sex, discharge disposition and length of stay do not seem to have an effect on mortality. Elderly patients with an average age of 84.5 years and more than two comorbidities had higher rates of mortality; however, these patients were likely to sustain earlier mortality regardless of low-energy pelvic fracture.