Infection preventionists often seek to make external comparisons when reviewing their hospital’s HAIs. This useful resource will help you better understand how to use statistics while making these vital comparisons. It covers the fundamentals you need to know, including measurements, methodology, and formulas, along with helpful examples and other resources. It is especially instructive for novice and intermediate IPs. A section on research-related issues deconstructs how to interpret and apply research results to statistics and epidemiology in a healthcare setting.