• Lack of guidance or consistency in systematic overview / umbrella / review of systematic reviews
Article Type
Empirical
Article Subtype
Survey/questionnaire of authors opinions/practices
First Author Country
United Kingdom
Aim
A scoping review to assess the practice of using guidance in systematic overviews of systematic reviews
Level of Investigation
Descriptive
Summary of Findings
Overviews can be misleading if they do not meet four conditions: when identified systematic reviews meet the following four conditions: (1) include primary trials that do not substantially overlap, (2) match overview scope, (3) are of high methodological quality, and (4) are up-to-date
Number of systematic reviews included
24
Number of eligible systematic reviews assessed
48
Treatment impacted
No
Treatment impacted description
Interpretation impacted
Not Applicable
Interpretation impacted description
Does the article have a publicly available protocol?
Yes
Did the review team include both methodological and clinical experts?
Not Applicable
Sampling strategy for obtaining the systematic reviews under assessment
Comprehensive searches on a particular topic (clinical or methodological)
Was the sample size of systematic reviews subject to any formal sample size or power calculation?
No
Were any or all of the study selection and data extraction performed in duplicate?
Yes
Were any statistical adjustments made to correct for confounding?
Not Applicable
Are the methods of the article described in enough detail to replicate the study?
