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Open AccessJournal ArticleDOI

Conducting umbrella reviews

Lazaros Belbasis
- 01 Nov 2022 - 
- Vol. 1, Iss: 1, pp e000071-e000071
TLDR
In this article , Belbasis and colleagues explain the rationale for umbrella reviews and the key steps involved in conducting an umbrella review, using a working example, and present an example of how to conduct a review.
Abstract
In this article, Lazaros Belbasis and colleagues explain the rationale for umbrella reviews and the key steps involved in conducting an umbrella review, using a working example.

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An umbrella review of systematic reviews on the impact of the COVID-19 pandemic on cancer prevention and management, and patient needs

- 04 Apr 2023 - 
TL;DR: In this paper , an umbrella review was undertaken to summarize the findings from systematic reviews on impact of the COVID-19 pandemic on cancer treatment modification, delays, and cancellations; delays or cancellations in screening and diagnosis; psychosocial well-being, financial distress, and use of telemedicine as well as on other aspects of cancer care.
Posted ContentDOI

Changes in cancer prevention and management and patient needs during the COVID-19 pandemic: An umbrella review of systematic reviews

TL;DR: In this paper , the authors performed an umbrella review to summarize and quantify the findings from systematic reviews on impact of the COVID-19 pandemic on cancer treatment modification, delays and cancellations; delays or cancellations in screening and diagnosis; psychosocial well-being, financial distress, and use of telemedicine as well as on other aspects of cancer care.
Journal ArticleDOI

Prenatal exposure to ambient air pollutants and congenital heart defects: An umbrella review.

TL;DR: In this paper , the authors conducted a systematic search for reviews assessing the association between prenatal exposures to criteria air pollutants and CHD and found that prenatal exposure to current ambient air pollutant concentrations may increase risks for some CHD subtypes.
Posted ContentDOI

Availability of evidence and comparative effectiveness for surgical versus drug interventions: an overview of systematic reviews

TL;DR: In this paper , the authors examined the prevalence of comparisons of surgery to drug regimens, the strength of evidence of such comparisons, and whether surgery or the drug intervention was favored.
References
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Journal ArticleDOI

Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement

TL;DR: Moher et al. as mentioned in this paper introduce PRISMA, an update of the QUOROM guidelines for reporting systematic reviews and meta-analyses, which is used in this paper.
Journal Article

Preferred reporting items for systematic reviews and meta-analyses: the PRISMA Statement.

TL;DR: The QUOROM Statement (QUality Of Reporting Of Meta-analyses) as mentioned in this paper was developed to address the suboptimal reporting of systematic reviews and meta-analysis of randomized controlled trials.
Journal ArticleDOI

Meta-analysis of observational studies in epidemiology - A proposal for reporting

TL;DR: A checklist contains specifications for reporting of meta-analyses of observational studies in epidemiology, including background, search strategy, methods, results, discussion, and conclusion should improve the usefulness ofMeta-an analyses for authors, reviewers, editors, readers, and decision makers.
Journal ArticleDOI

GRADE: an emerging consensus on rating quality of evidence and strength of recommendations

TL;DR: The advantages of the GRADE system are explored, which is increasingly being adopted by organisations worldwide and which is often praised for its high level of consistency.
Journal ArticleDOI

The “Golden Age” of Probiotics: A Systematic Review and Meta-Analysis of Randomized and Observational Studies in Preterm Infants

TL;DR: This meta-analysis of RCT and observational studies found that the use of probiotics was beneficial for the prevention of severe NEC, late-onset sepsis, and all-cause mortality in VLBW infants.