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Exhibit 8. Strength of Evidence for Strategies and Interventions

Guide to Patient and Family Engagement: Environmental Scan Report

Type of DocumentNumber
Systematic reviews
Systematic review of randomized controlled trials1
Systematic review of descriptive studies (quantitative / qualitative)5
Single evaluative studies
Randomized controlled trial3
Nonrandomized controlled trial3
Cohort / case-control study0
Single site intervention (pre/post) / Case series study8
Single site intervention (post only)8
Single descriptive studies
Mixed methods study (qualitative / quantitative)2
Quantitative study3
Descriptive or qualitative study6
Case study / description of implementation39
Scholarly articles or reviews10
Other (workshop summary, PowerPoint® presentation)4

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Current as of May 2012
Internet Citation: Exhibit 8. Strength of Evidence for Strategies and Interventions: Guide to Patient and Family Engagement: Environmental Scan Report. May 2012. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/final-reports/ptfamilyscan/ptfamilyex8.html