<Ol> <Li> Intervention reviews assess the benefits and harms of interventions used in healthcare and health policy . </Li> <Li> Diagnostic test accuracy reviews assess how well a diagnostic test performs in diagnosing and detecting a particular disease . </Li> <Li> Methodology reviews address issues relevant to how systematic reviews and clinical trials are conducted and reported . </Li> <Li> Qualitative reviews synthesize qualitative and quantitative evidence to address questions on aspects other than effectiveness . </Li> <Li> Prognosis reviews address the probable course or future outcome (s) of people with a health problem . </Li> <Li> Overviews of Systematic Reviews (OoRs) are a new type of study in order to compile multiple evidence from systematic reviews into a single document that is accessible and useful to serve as a friendly front end for the Cochrane Collaboration with regard to healthcare decision - making . </Li> </Ol> <Li> Intervention reviews assess the benefits and harms of interventions used in healthcare and health policy . </Li> <Li> Diagnostic test accuracy reviews assess how well a diagnostic test performs in diagnosing and detecting a particular disease . </Li> <Li> Methodology reviews address issues relevant to how systematic reviews and clinical trials are conducted and reported . </Li>

How many types of cochrane reviews are there