Ramin Nouri - MSc of Genetic, Young Researchers and Elite Club, Ahar Branch, Islamic Azad University, Ahar, Iran
Morteza Hakimian - MSc of Genetic, Young Researchers and Elite Club, Ahar Branch, Islamic Azad University, Ahar, Iran
Sasan Talaneh - MSc of Genetic, Young Researchers and Elite Club, Ahar Branch, Islamic Azad University, Ahar, Iran

Background: Burn is the second cause of childhood death and is a kind of damage to meat or skin caused by heat, electricity, chemicals and radiation. The LA50 is the burn percentage, which can lead to death in 50% of cases. The purpose of this study was to investigate the relationship between burns and the determination of LA50 in patients with burns at Urmia Imam Khomeini Hospital. Material and MethodS: In this study, 690 burn injured patients were hospitalized in Imam Khomeini Hospital in Urmia. The frequency of sex, age and type of burn and the distribution of burn sex and burn percentage were calculated and the LA50 was calculated. Finally, the data were analyzed by soft Analyzed SPSS V24. Results: Among the respondents, 62% were males and 38% were females. In general, the most common type of burns was liquids and hot food, 42%, and burns due to ignition of 41% and direct fire and fire, 17%, 69% out of prognosis and 20% death and eleven percent Patients were left with the satisfaction of the patients. The mean age of the patients was 30.2 ± 12 and the mean mortality was 26.7%. Also, with the mortality rate with burn injuries, Pearson test was P <0.05 and Square = 47.19 % In the TREND chart was determined by comparing TBSA% to 29.47% Conclusion: The most common cause of burns related to liquids and hot foods was that the LA50 and the rate of burns in the country are improving but require increased treatment and infection control and percentage of burns.

Burn, Death, LA50, TREND