Department of Anesthesiology Baharloo Hospital Railway Square Tehran University of Medical Sciences Tehran Iran;
Department of Infectious Diseases Baharloo Hospital Railway Square Tehran University of Medical Sciences Tehran Iran;
Anitimicrobial Resistance Research Center Institute of Immunology and Infectious diseases Iran University of Medical Sciences Tehran Iran;
Occupational Sleep Research Centre Baharloo Hospital Tehran University of Medical Sciences Tehran Iran;
Intensive Care Unit Baharloo Hospital Railway Square Tehran University of Medical Sciences Tehran Iran;
Intensive Care Unit Baharloo Hospital Railway Square Tehran University of Medical Sciences Tehran Iran;
Intensive Care Unit Baharloo Hospital Railway Square Tehran University of Medical Sciences Tehran Iran;
Intensive Care Unit Baharloo Hospital Railway Square Tehran University of Medical Sciences Tehran Iran;
Clostridium difficile; Carbapenem; ICU; Risk factor;