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. Author manuscript; available in PMC: 2014 Aug 1.
Published in final edited form as: J Trauma Acute Care Surg. 2013 Aug;75(2):234–240. doi: 10.1097/TA.0b013e3182924c18

Table 2.

Logistic Regression Analysis of Ventilator-Associated Pneumonia

Variable OR (95% C.I.) %Change p-Value
Mechanism of Injury
 Blunt Reference
 Penetrating 0.93 (0.90,0.96) <.0001
Gender
 Male Reference
 Female 0.91 (0.88,0.94) <.0001
Race/Ethnicity
 White Reference
 Non-White 0.94 (0.91,0.97) <.0001
Injury Severity
 Mild Reference
 Moderate 1.06 (0.98,1.15) 0.1298
 Severe 1.11 (1.03,1.20) 0.0075
 Critical 1.19 (1.11,1.28) <.0001
Paralysis
 Not Paralyzed Reference
 Paralyzed 1.13 (1.07,1.18) <.0001
Glasgow Coma Score
 14 and above Reference
 4 to 13 1.08 (1.05,1.11) <.0001
 3 1.05 (1.02,1.09) 0.0028
Age (years) 0.01 0.0232
Days on Ventilator 1.01 <.0001
Zip Code 0.0852