Volume 58, Issue 1 (6 2000)
Tehran Univ Med J 2000, 58(1): 15-19 |
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Abdollahi M, Nabaei B, Saeid Modaghegh M. Calculation of probability of survival based on TRISS model in three hospitals in Tehran, 1996-97. Tehran Univ Med J 2000; 58 (1) :15-19
URL: http://tumj.tums.ac.ir/article-1-1417-en.html
URL: http://tumj.tums.ac.ir/article-1-1417-en.html
Abstract: (6507 Views)
Different aspects of the effect of trauma on the health status of populations have been studied annually 35 millions deaths, 3.5 millions disabilities and a sum of 500 billions $ cost. Evaluating different modes of prevention, a comprehensive study was carried out in the US during the 7th and 8th decades, introducing the TRISS method for the purpose of comparing the outcomes of trauma cases among multiple centers. This study has been carried out during 1996-97 in there hospitals of Tehran. After entering the hospital, all trauma cases were traced by trained interviewers until leaving the hospital. Based on the TRISS model, probability of survival was calculated for each patient and compared with the results of the MTOS study. Among 4863 cases evaluated, 300 (6.2%) deaths were observed, which is significantly more than the expected number (222 deaths, 2.7%) calculated under TRISS model. This difference may indicate a difference in the quality of trauma care.
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