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. Author manuscript; available in PMC: 2011 Oct 1.
Published in final edited form as: Surgery. 2010 Aug 12;148(4):618–624. doi: 10.1016/j.surg.2010.07.017

Table 1. Group comparison for the PRE-DIF and POST-DIF time periods.

PRE-DIF
(n=4,810)		 POST-DIF
(n=4,875)		 p-value
Age (years) 38.1±17 37.6±16 0.522
Gender (%male) 24.5% 22.4% 0.351
Presenting GCS 13.7±3 13.9±3 0.017
Mechanism of Injury (Blunt%) 91.6% 91.8% 0.390
Injury Severity Score (ISS) 28.2±14 28.1±15 0.893