Graphical Representation of Overlap for OVErviews : GROOVE tool
Pérez Bracchiglione, Javier Andrés (Universitat Autònoma de Barcelona. Departament de Pediatria, Obstetrícia i Ginecologia i de Medicina Preventiva i Salut Pública)
Meza, Nicolás (Universidad de Valparaíso. Centro Interdisciplinario Estudios en Salud (CIESAL))
Bangdiwala, Shrikant I. (Department of Health Research Methods. Evidence. and Impact. McMaster University)
Niño de Guzmán, Ena Pery (Centro Cochrane Iberoamericano (CCIb))
Urrútia, Gerard (Centro Cochrane Iberoamericano (CCIb))
Bonfill, X. (Xavier) (Centro Cochrane Iberoamericano (CCIb))
Madrid, Eva (Universidad de Valparaíso. Centro Interdisciplinario Estudios en Salud (CIESAL))

Data:	2022
Resum:	Overlap of primary studies among systematic reviews (SRs) is one of the main methodological challenges when conducting overviews. If not assessed properly, overlapped primary studies may mislead findings, since they may have a major influence either in qualitative analyses or in statistical weight. Moreover, overlapping SRs may represent the existence of duplicated efforts. Matrices of evidence and the calculation of the overall corrected covered area (CCA) are appropriate methods to address this issue, but they seem to be not comprehensive enough. In this article we present Graphical Representation of Overlap for OVErviews (GROOVE), an easy-to-use tool for overview authors. Starting from a matrix of evidence, GROOVE provides the number of included primary studies and SRs included in the matrix; the absolute number of overlapped and non-overlapped primary studies; and an overall CCA assessment. The tool also provides a detailed CCA assessment for each possible pair of SRs (or "nodes"), with a graphical and easy-to-read representation of these results. Additionally, it includes an advanced optional usage, incorporating structural missingness in the matrix. In this article, we show the details about how to use GROOVE, what results it achieves and how the tool obtains these results. GROOVE is intended to improve the overlap assessment by making it easier, faster, and more friendly for both authors and readers. The tool is freely available at http://doi. org/10. 17605/OSF. IO/U2MS4 and https://es. cochrane. org/es/groovetool.
Ajuts:	Instituto de Salud Carlos III CM17/00199
Nota:	Altres ajuts: acords transformatius de la UAB
Nota:	Altres ajuts: JP-B was funded by a FONDECYT Grant 1212037 from the Chilean National Agency of Research and Development (ANID). GU contribution to this paper was supported by a CONICYT grant (MEC80170060), government of Chile. Funding information
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Publicat a:	Research Synthesis Methods, Vol. 13 Núm. 3 (may 2022) , p. 381-388, ISSN 1759-2887

DOI: 10.1002/jrsm.1557

8 p, 3.8 MB

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