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Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) diagram detailing the search for records pertaining to economic data for hepatic encephalopathy, and administration of rifaximin and/or lactulose. Search terms included hepatic encephalopathy, economic, health-related quality of life, cost, cost utility, cost effectiveness, rifaximin, lactulose adherence, and patient-reported outcomes. HE hepatic encephalopathy
