Pseudomonas aeruginosa is a Gram-negative bacteria that can cause infection, especially in immunocompromised patient. Multidrug resistance Pseudomonas aeruginosa is bacteria that resistance to at least three class of antibiotic. The objective of this study was to determine the risk factors of multidrug resistance Pseudomonas aeruginosa in ArifinAchmad General Hospital, Riau Province. The design…