Zombie reviews taking over the PROSPERO systematic review registry. It’s time to fight back!

Andrade, Renato; Pereira, Rogério Rodrigues Floriano; Weir, Adam; Ardern, Clare L; Espregueira-Mendes, João

doi:10.1136/bjsports-2017-098252

Cited by 15 publications

(12 citation statements)

References 9 publications

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“…PROSPERO records that are not up-to-date are problematic. For example, when an ''ongoing'' SR has in fact been abandoned, it remains in PROSPERO indefinitely as a ''zombie review'' which may keep other researchers wanting to avoid duplication from conducting a new SR on that research question [15]. Or, when an SR that has actually been completed and published is listed as ''ongoing,'' it prevents others from searching for the publication which they believe does not yet exist.…”

Section: What Is the Implication And What Should Change Now?mentioning

confidence: 99%

More systematic reviews were registered in PROSPERO each year, but few records' status was up-to-date

Rombey

Doni

Hoffmann

et al. 2020

Journal of Clinical Epidemiology

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Section: What Is the Implication And What Should Change Now?mentioning

confidence: 99%

More systematic reviews were registered in PROSPERO each year, but few records' status was up-to-date

Rombey

Doni

Hoffmann

et al. 2020

Journal of Clinical Epidemiology

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“…It has been shown that orthodontic SRs with PROSPERO registrations have produced better methodological quality when compared to the ones not registered 50 . On the other hand, only 7% of the registered PROSPERO protocols had been fully completed and published 51 . All of the SRs assessed in this study had followed PRISMA guidelines for reporting systematic reviews.…”

Section: Discussionmentioning

confidence: 84%

“…50 On the other hand, only 7% of the registered PROSPERO protocols had been fully completed and published. 51 All of the SRs assessed in this study had followed PRISMA guidelines for reporting systematic reviews. This has become an established practice and has helped standardize the search process.…”

Section: Discussionmentioning

confidence: 99%

Methodological Quality of Systematic Reviews Relating to Performance of All‐Ceramic Implant Abutments, Frameworks, and Restorations

Alrababah

AlTarawneh

Jarad

et al. 2020

Journal of Prosthodontics

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Purpose To assess the methodological quality of published systematic reviews relating to all ceramic implant frameworks, abutments and restorations. Materials and Methods Published systematic reviews relating to all ceramic implant restorations for single tooth and multiple teeth replacements were retrieved to assess their methodological qualities. Sixteen systematic reviews were included for methodological quality assessment by two independent assessors using AMSTAR‐2 critical appraisal tool. Inter‐rater agreement was assessed using the weighted Cohen's Kappa statistic. Results Most systematic reviews included randomized clinical trials and nonrandomized studies of intervention. The majority of included systematic reviews (15 out of 16) scored critically low on quality with more than one critical flaw when assessed using the AMSTAR‐2 tool. Most systematic reviews assessed lacked analysis of the effects of the risk of bias and heterogeneity of the included studies. The inter‐rater agreement of the independent assessors was substantial (0.63). Conclusions Confidence in the evidence presented in these systematic reviews was undermined by their tendency to overlook the effect of risk of bias and heterogeneity in evidence synthesis.

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“…The review conformed to the Preferred Reporting Items for Systematic Review and Meta-Analyses guidelines[28-30] and was registered in the PROSPERO Registry, No. CRD42018111931[31].…”

Section: Methodsmentioning

confidence: 99%

Association between sarcopenic obesity and higher risk of type 2 diabetes in adults: A systematic review and meta-analysis

Khadra

Itani

Tannir

et al. 2019

WJD

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BACKGROUND The coexistence of sarcopenia and obesity is referred to as sarcopenic obesity (SO) and it has been hypothesized that the two components of SO may synergistically increase their negative effects. However, many uncertainties still surround this condition especially with regard to its potential negative effects on health outcomes. AIM To conduct a systematic review to determine the prevalence of sarcopenia among adults with overweight and obesity and to investigate whether SO was associated with a higher risk of type 2 diabetes (T2D). METHODS This study was conducted in adherence with the Preferred Reporting Items for Systematic Review and Meta-Analyses guidelines. Literature searches, study selection, methodology development and quality appraisal were performed independently by two authors and the data were collated by means of meta-analysis and narrative synthesis. RESULTS Of the 606 articles retrieved, 11 studies that comprised a total of 60118 adults with overweight and obesity of both genders met the inclusion criteria and were reviewed, revealing two main findings. First, the overall prevalence of sarcopenia is 43% in females and 42% in males who are with overweight and obesity. Secondly, the presence of SO increases the risk of T2D by 38% with respect to those without SO (OR = 1.38, 95%CI: 1.27-1.50). CONCLUSION A high prevalence of sarcopenia has been found among adults with overweight and obesity regardless of their gender and this condition seems to be associated with a higher risk of T2D. Clinician should be aware of this scenario in their clinical practice for the better management of both obesity and T2D.

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Zombie reviews taking over the PROSPERO systematic review registry. It’s time to fight back!

Cited by 15 publications

References 9 publications

More systematic reviews were registered in PROSPERO each year, but few records' status was up-to-date

More systematic reviews were registered in PROSPERO each year, but few records' status was up-to-date

Methodological Quality of Systematic Reviews Relating to Performance of All‐Ceramic Implant Abutments, Frameworks, and Restorations

Association between sarcopenic obesity and higher risk of type 2 diabetes in adults: A systematic review and meta-analysis

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