Letter to Editor

Calculate the actual overlap in an overview


No Abstract

1. McKenzie JE, Brennan SE. Overviews of systematic reviews: great promise, greater challenge. Systematic reviews. 2017;6(1):185.
2. Pieper D, Antoine S-L, Mathes T, Neugebauer EA, Eikermann M. Systematic review finds overlapping reviews were not mentioned in every other overview. Journal of clinical epidemiology. 2014;67(4):368-75.
3. Thomson D, Russell K, Becker L, Klassen T, Hartling L. The evolution of a new publication type: Steps and challenges of producing overviews of reviews. Research Synthesis Methods. 2010;1(3‐4):198-211.
4. Senn SJ. Overstating the evidence–double counting in meta-analysis and related problems. BMC Medical Research Methodology. 2009;9(1):10.
5. Pollock M, Fernandes RM, Becker LA, Pieper D, Hartling L. Chapter V: overviews of reviews. Cochrane Handbook for Systematic Reviews of Interventions version. 2018;6.
6. Li L, Tian J, Tian H, Sun R, Liu Y, Yang K. Quality and transparency of overviews of systematic reviews. Journal of evidence-based medicine. 2012;5(3):166-73.
IssueVol 8 No 2 (2021): Spring QRcode
SectionLetter to Editor(s)
DOI https://doi.org/10.18502/npt.v8i2.5119
systematic review; methods; research design; meta-analysis; evidence-based medicine

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How to Cite
Arian M, Valinejadi A, Soleimani M. Calculate the actual overlap in an overview. NPT. 8(2):91-95.