Acinetobacter baumannii is a Gram-negative bacteria that can cause infection, especially in immunocompromised patient. Multidrug resistant Acinetobacter baumannii is bacteria that resistant to at least three group of antibiotic. The objective of this study was to determine the risk factors of multidrug resistant Acinetobacter baumannii in Arifin Achmad General Hospital, Riau Province. The desig…