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Functional outcome and associations with prehospital time and urban-remote disparities in trauma: A Norwegian
Imw Nilsbakken1, T Wisborg2, S Sollid3
1Department of Research, Norwegian Air Ambulance Foundation, Oslo, Norway; Faculty of Health Sciences, University of Stavanger, Stavanger, Norway.
Background:
There is a lack of knowledge regarding the functional outcomes of patients after trauma. Remote areas in Norway has been associated with an increased risk of trauma-related mortality. However, it is unknown how this might influence trauma-related morbidity. The aim of this study was to assess the functional outcomes of patients in the Norwegian trauma population and the relationship between prehospital time and urban-remote disparities on functional outcome.
Methods:
This registry-based study included 34,611 patients from the Norwegian Trauma Registry from 2015 - 2020. Differences in study population characteristics and functional outcomes as measured on the Glasgow Outcome Scale (GOS) at discharge were analysed. Three multinomial regression models were performed to assess the association between total prehospital time and urban-remote disparities and morbidity reported as GOS categories.
Results:
Ninety-four per cent of trauma patients had no disability or moderate disability at discharge. Among patients with severe disability or vegetative state, 81 % had NISS > 15. Patients with fall-related injuries had the highest proportion of severe disability or vegetative state. Among children and adults, every minute increase in total prehospital time was associated with higher odds of moderate disability. Urban areas were associated with higher odds of moderate disability in all age groups, whereas remote areas were associated with higher odds of severe disability or vegetative state in elderly patients. NISS was associated with a worse functional outcome.
Conclusions:
The majority of trauma patients admitted to a trauma hospital in Norway were discharged with minimal change in functional outcome. Patients with severe injuries (NISS > 15) and patients with injuries from falls experienced the greatest decline in function. Every minute increase in total prehospital time was linked to an increased likelihood of moderate disability in children and adults. Furthermore, incurring injuries in urban areas was found to be associated with higher odds of moderate disability in all age groups, while remote areas were found to be associated with higher odds of severe disability or vegetative state in elderly patients.
