Table 2.

Multiple logistic regression* for variables predictive of VAP

	OR	95% CI	p
Massive transfusion	4.06	1.28–12.87	.017*
Acute kidney injury	12.02	3.97–36.43	<.001*
Injury to face	3.27	1.69–6.34	<.001*
Injury to sternum	3.91	1.45–10.56	.007*
Injury to spine	1.91	1.01–3.61	.047*
ICU length of stay	1.13	1.10–1.17	<.001*

^*p value is <0.05, multiple logistic regression models controlling for age and injury severity (ISS)