ESBL-producing Klebsiella pneumoniae is an opportunistic pathogen that has emerged as nosocomial infection. The objective of this study was to analyze risk factors of ESB-producing Klebsiella pneumoniae in Arifin Achmad General Hospital, Riau Province. The design of this study was analytic with case-control study approach (50 case groups and 50 control groups). Data on inpatient culture results…