A scoping review and survey provides the rationale, perceptions, and preferences for the integration of randomized and nonrandomized studies in evidence syntheses and GRADE assessments

To review the literature and obtain preferences and perceptions from experts regarding the role of randomized studies (RSs) and nonrandomized studies (NRSs) in systematic reviews of intervention effects.

Source: Journal of Clinical Epidemiology - February 13, 2018 Category: Epidemiology Authors: Carlos A. Cuello-Garcia, Rebecca L. Morgan, Jan Brozek, Nancy Santesso, Jos Verbeek, Kris Thayer, Gordon Guyatt, Holger J. Sch ünemann Tags: Review Source Type: research