Objectives The objective of this study was to determine if the authors mention overlapping
reviews in overviews (reviews of reviews). In addition, we aimed to calculate the actual …

Objectives The aim of the study was to assess the completeness of reporting of methods in
overviews. Study Design and Setting Assessment of the adequacy of reporting of methods in …

OBJECTIVE: As part of a larger project on updating systematic reviews, we studied the
currency of reviews at the time of publication to determine typical and achievable times to …

Abstract Background When conducting an Overviews of Reviews on health-related topics, it
is unclear which combination of bibliographic databases authors should use for searching …

OBJECTIVE: To examine published overviews of systematic reviews in terms of descriptive
and methodological characteristics. STUDY DESIGN AND SETTING: MEDLINE, Database of …

Objectives To assess the reliability of the Cochrane Risk of Bias (ROB) tool between
individual raters and across consensus agreements of pairs of reviewers and examine the …

Objective. To assess the consistency of an index of the scientific quality of research
overviews. Design. Agreement was measured among nine judges, each of whom assessed …

Background Overviews often identify and synthesise a large number of systematic reviews
on the same topic, which is likely to lead to overlap (ie duplication) in primary studies across …

Policy Points: Currently, there is massive production of unnecessary, misleading, and
conflicted systematic reviews and meta‐analyses. Instead of promoting evidence‐based …

Objective To assess the conditions under which employing an overview of systematic
reviews is likely to lead to a high risk of bias. Study Design To synthesise existing guidance …