. Author manuscript; available in PMC: 2017 Mar 1.

Published in final edited form as: J Trauma Acute Care Surg. 2016 Mar;80(3):412–418. doi: 10.1097/TA.0000000000000956

Table 3.

Factors associated with the odds ratio of being readmitted, for those who survive for 30 days and 1 year

	Readmitted in 30 days		Readmitted in one year
	OR (95%CI)	P value	OR (95%CI)	P value
Age (years)	1.02 (1.02 – 1.02)	<.0001	1.02 (1.02 – 1.02)	<.0001
Female gender (vs male)	1.00 (0.97 – 1.02)	0.8533	1.02 (0.99 – 1.04)	0.1448
Number comorbidities	1.11 (1.10 – 1.12)	<.0001	1.23 (1.22 – 1.24)	<.0001
Injury severity score (ISS>15 vs ISS<15)	0.75 (0.73 – 0.78)	<.0001	1.32 (1.27 – 1.37)	<.0001
Length for stay for index hospitalization	1.07 (1.07 – 1.07)	<.0001	1.07 (1.07 – 1.07)	<.0001
Trauma center access (vs not)	0.99 (0.95 – 1.02)	0.501	1.07 (1.04 – 1.11)	<.0001
Triage Pattern (vs no trauma center care)
Primary	0.89 (0.87 – 0.92)	<.0001	0.96 (0.93 – 0.98)	0.0008
Secondary	0.95 (0.89 – 1.02)	0.1573	0.94 (0.89 – 1.00)	0.0597

OR Odds Ratio; ISS Injury Severity Score