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. Author manuscript; available in PMC: 2011 Oct 1.
Published in final edited form as: Prehosp Emerg Care. 2010 Oct–Dec;14(4):425–432. doi: 10.3109/10903127.2010.493986

Table 3.

Costs of EMS in the years before and after injury hospitalization

Year before injury. Mean,
(IQR)		 Year after injury. Mean,
(IQR)		 Unadjusted ratio of EMS costs in years before and after injury Model predicted costs in year before injury.*
(95% CI)		 Model predicted costs in the year after injury.**
(95% CI)		 Model predicted increase in costs after injury.
(95% CI)
Cost of EMS $211
(0 - 0)		 $367
(0 - 484)		 1.74 $212
(206 - 218)		 $369
(359 - 379)		 $157
(150 - 164)
*

Model included age, sex, Charlson co-morbidity score, and skilled nursing facility residence before and after injury.