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Protocol registration improves reporting quality of systematic reviews in dentistry

BACKGROUND: The aims of this study were to assess whether the previous registration of a systematic review (SR) is associated with the improvement of the quality of the report of SRs and whether SR registration reduced outcome reporting bias. METHODS: We performed a search in PubMed for SRs in denti...

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Autores principales: dos Santos, Mateus Bertolini Fernandes, Agostini, Bernardo Antônio, Bassani, Rafaela, Pereira, Gabriel Kalil Rocha, Sarkis-Onofre, Rafael
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7065343/
https://www.ncbi.nlm.nih.gov/pubmed/32160871
http://dx.doi.org/10.1186/s12874-020-00939-7
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author dos Santos, Mateus Bertolini Fernandes
Agostini, Bernardo Antônio
Bassani, Rafaela
Pereira, Gabriel Kalil Rocha
Sarkis-Onofre, Rafael
author_facet dos Santos, Mateus Bertolini Fernandes
Agostini, Bernardo Antônio
Bassani, Rafaela
Pereira, Gabriel Kalil Rocha
Sarkis-Onofre, Rafael
author_sort dos Santos, Mateus Bertolini Fernandes
collection PubMed
description BACKGROUND: The aims of this study were to assess whether the previous registration of a systematic review (SR) is associated with the improvement of the quality of the report of SRs and whether SR registration reduced outcome reporting bias. METHODS: We performed a search in PubMed for SRs in dentistry indexed in 2017. Data related to SR registration and reporting characteristics were extracted. We analyzed if the reporting of 21 characteristics of included SRs was associated with the prospective registration of protocols or reporting of a previously established protocol. The association between prospective registering of protocols, reporting of funding and number of included studies versus outcome reporting bias was tested via multivariable logistic regression. RESULTS: We included 495 SRs. One hundred and 62 (32.7%) SRs reported registering the SR protocol or working from a previously established protocol. Thirteen reporting characteristics were described statistically significant in SRs registered versus SRs that were not. Publication bias assessment and Report the number of participants showed the highest effects favoring the register (RR 1.59, CI 95% 1.19–2.12; RR 1.58, CI 95% 1.31–1.92 respectively). Moreover, Registration was not significantly linked with the articles’ reporting statistical significance (OR 0.96, CI 95% 0.49–1.90). CONCLUSION: There is a positive influence of previously registering a protocol in the final report quality of SRs in dentistry. However, we did not observe an association between protocol registration and reduction in outcome reporting bias.
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spelling pubmed-70653432020-03-16 Protocol registration improves reporting quality of systematic reviews in dentistry dos Santos, Mateus Bertolini Fernandes Agostini, Bernardo Antônio Bassani, Rafaela Pereira, Gabriel Kalil Rocha Sarkis-Onofre, Rafael BMC Med Res Methodol Research Article BACKGROUND: The aims of this study were to assess whether the previous registration of a systematic review (SR) is associated with the improvement of the quality of the report of SRs and whether SR registration reduced outcome reporting bias. METHODS: We performed a search in PubMed for SRs in dentistry indexed in 2017. Data related to SR registration and reporting characteristics were extracted. We analyzed if the reporting of 21 characteristics of included SRs was associated with the prospective registration of protocols or reporting of a previously established protocol. The association between prospective registering of protocols, reporting of funding and number of included studies versus outcome reporting bias was tested via multivariable logistic regression. RESULTS: We included 495 SRs. One hundred and 62 (32.7%) SRs reported registering the SR protocol or working from a previously established protocol. Thirteen reporting characteristics were described statistically significant in SRs registered versus SRs that were not. Publication bias assessment and Report the number of participants showed the highest effects favoring the register (RR 1.59, CI 95% 1.19–2.12; RR 1.58, CI 95% 1.31–1.92 respectively). Moreover, Registration was not significantly linked with the articles’ reporting statistical significance (OR 0.96, CI 95% 0.49–1.90). CONCLUSION: There is a positive influence of previously registering a protocol in the final report quality of SRs in dentistry. However, we did not observe an association between protocol registration and reduction in outcome reporting bias. BioMed Central 2020-03-11 /pmc/articles/PMC7065343/ /pubmed/32160871 http://dx.doi.org/10.1186/s12874-020-00939-7 Text en © The Author(s) 2020 Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.
spellingShingle Research Article
dos Santos, Mateus Bertolini Fernandes
Agostini, Bernardo Antônio
Bassani, Rafaela
Pereira, Gabriel Kalil Rocha
Sarkis-Onofre, Rafael
Protocol registration improves reporting quality of systematic reviews in dentistry
title Protocol registration improves reporting quality of systematic reviews in dentistry
title_full Protocol registration improves reporting quality of systematic reviews in dentistry
title_fullStr Protocol registration improves reporting quality of systematic reviews in dentistry
title_full_unstemmed Protocol registration improves reporting quality of systematic reviews in dentistry
title_short Protocol registration improves reporting quality of systematic reviews in dentistry
title_sort protocol registration improves reporting quality of systematic reviews in dentistry
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7065343/
https://www.ncbi.nlm.nih.gov/pubmed/32160871
http://dx.doi.org/10.1186/s12874-020-00939-7
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