Guide to Patient and Family Engagement

Exhibit 8. Strength of Evidence for Strategies and Interventions

Type of Document Number
Systematic reviews
Systematic review of randomized controlled trials 1
Systematic review of descriptive studies (quantitative / qualitative) 5
Single evaluative studies
Randomized controlled trial 3
Nonrandomized controlled trial 3
Cohort / case-control study 0
Single site intervention (pre/post) / Case series study 8
Single site intervention (post only) 8
Single descriptive studies
Mixed methods study (qualitative / quantitative) 2
Quantitative study 3
Descriptive or qualitative study 6
Case study / description of implementation 39
Scholarly articles or reviews 10
Other (workshop summary, PowerPoint® presentation) 4

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Page last reviewed October 2014
Internet Citation: Exhibit 8. Strength of Evidence for Strategies and Interventions. Content last reviewed October 2014. Agency for Healthcare Research and Quality, Rockville, MD.