Slide 58. Misleading Regional Data Without Adjusting for Population Differences Healthcare Cost and Utilization Project (HCUP): Overview of HCUP Databases, Tools, and ResourcesSlide Presentation from 2010 webinar describing the Healthcare Cost and Utilization Project (HCUP). Does the South have the highest prevalence of CDAD [Clostridium difficile-associated disease] hospital stays?Image: Bar chart shows the following data:Northeast: 24%.Midwest: 27%.South: 34%.West: 16%.Contents Current as of May 2010 Internet Citation: Slide 58. Misleading Regional Data Without Adjusting for Population Differences : Healthcare Cost and Utilization Project (HCUP): Overview of HCUP Databases, Tools, and Resources. May 2010. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/professionals/clinicians-providers/kt/webinars/hcup/hcupsld58.html