Methods:
From January 2010 to June 2010, 50 patients with multi-trauma injuries were enrolled in our study. All of them were hospitalized in the intensive care unit (ICU) of neurosurgery department, Imam Reza university hospital, Tabriz University of Medical Sciences, Tabriz, Iran. Twenty-four patients demonstrated sepsis manifestations (sepsis group), but 26 patients did not (non-sepsis group). During ICU stay, blood levels of AT III were measured on days 0, 3, 7. Then, the obtained values were compared between the two groups.