Results: The rate of infection with multi-resistant gram-negative bacteria in patients newly admitted to the ICU accounted for a high rate of over 40%; especially, the rate of multi-resistant gram-negative bacteria was higher in patients transferred from other departments / centers in the hospital, accounting for 56.16% and from other hospitals accounted for 69.62% compared to patients from the community accounted for 43.75%; there was a difference in the rate of bacterial infection in the group of patients from the community and the group of patients transferred from other hospitals (p<0.05).