Research Synthesis Methods

Cover image for Vol. 3 Issue 1

March 2012

Volume 3, Issue 1

Pages 1–67

  1. Original Articles

    1. Top of page
    2. Original Articles
    1. The role of systematic reviews of qualitative evidence in evaluating interventions: a case study (pages 1–10)

      Theo Lorenc, Mark Pearson, Farah Jamal, Chris Cooper and Ruth Garside

      Version of Record online: 13 APR 2012 | DOI: 10.1002/jrsm.1036

    2. Meta-analysis of safety for low event-rate binomial trials (pages 30–50)

      Jonathan J Shuster, Jennifer D. Guo and Jay S. Skyler

      Version of Record online: 22 MAY 2012 | DOI: 10.1002/jrsm.1039

    3. Generalization of trim and fill for application in meta-regression (pages 51–67)

      Eric D. Weinhandl and Sue Duval

      Version of Record online: 22 MAY 2012 | DOI: 10.1002/jrsm.1042

      Thumbnail image of graphical abstract

      We propose a generalization of the popular trim and fill method for application in meta-regression. The algorithm preserves the computational features of trim and fill and adds only an assumption of symmetry in the hypothesized distribution of the measured covariate. By simulation, we evaluate properties of meta-regression parameter estimates and corresponding confidence intervals with application of the proposed algorithm in a range of scenarios, including violation of the aforementioned assumption of symmetry.

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