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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Am J Surg. 2011 Sep 14;203(2):198–204. doi: 10.1016/j.amjsurg.2011.05.012

Table 3.

Demographic characteristics of patients with and without infectious complications.

Infection (n=57) No Infection (n=96) p value
Age 41.5 ± 15.8 39.6 ± 17.1 0.50
Blunt/penetrating (%) 82.5/17.5 63.5/36.5 0.01
Male/Female (%) 75.4/24.6 80.2/19.8 0.49
Injury severity score 32.3 ± 14.3 22.7 ± 14.9 0.0003
Head AIS 1.9 ± 2.0 1.1 ± 1.8 0.002
Chest AIS 2.7 ± 1.7 1.9 ± 1.9 0.002
Abd AIS 2.3 ± 1.6 1.6 ± 1.5 0.01
First base excess −7.6 ± 4.3 −9.0 ± 6.1 0.13
First lactate 3.9 ± 1.7 4.2 ± 2.8 0.55
ICU Length of stay 16.2 ± 14.7 5.1 ± 5.0 <0.0001
Hosp Length of stay 40.5 ± 34.5 15.2 ± 14.7 <0.0001
Mortality (%) 8.8 13.5 0.38
PRBCs in first 24 hrs 9.6 ± 6.8 10.1 ± 9.9 0.72

AIS=Abbreviated Injury Score; ICU=Intensive Care Unit; PRBCs=Packed Red Blood Cells