• Soheil Saadat, Hesam Akbari, Reza Khorramirouz, Roza Mofid, and Vafa Rahimi Movaghar.
• Sina Trauma and Surgery Research Center, Tehran University Medical Sciences, Tehran, Iran.
• Ulus Travma Acil Cer. 2012 May 1;18(3):219-24.

BackgroundWe aimed to determine factors associated with mortality rates in patients with traumatic brain injury (TBI).MethodsRegistered data of a national trauma project conducted in eight major cities in Iran during a five-year period were used. Patients with a TBI were identified and both univariate and multivariate analyses were performed.Results2274 brain-injured patients including 1794 males (78.9%) were identified. The mean age of the patients was 30.1 ± 19.11 years. The age of 345 patients was less than 12, while 137 patients were older than 65. 383 patients (16.9%) died as a result of their injury. Univariate analysis showed a significant association between mortality and the following factors: age, sex, Glasgow Coma Scale (GCS), Injury Severity Score (ISS), systolic, diastolic and mean arterial blood pressure (BP), and respiratory rate (RR) (p<0.05).The logistic regression analysis revealed a statistically significant association between death and age (odds ratio [OR]=1.04), GCS (OR=0.59), ISS (OR=1.03), mean arterial BP (OR=0.71), and RR (OR=0.82) one-half hour after hospital arrival.ConclusionOur results demonstrated that age, GCS, ISS, BP, and RR as prognostic factors in patients with TBI indicate those that need special care during the initial management in the emergency department.

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