Cochrane Evidence Synthesis and Methods最新文献

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Certainty of evidence assessment in high-impact medical journals: A meta-epidemiological survey 高影响力医学期刊证据评估的确定性:一项荟萃流行病学调查
Cochrane Evidence Synthesis and Methods Pub Date : 2025-03-19 DOI: 10.1002/cesm.70014
Madelin R. Siedler, Neha Tangri, Leena AlShenaiber, Tejanth Pasumarthi, Faisal Shaukat Ali, Volf Gaby, Katie N. Harris, Yngve Falck-Ytter, Reem A. Mustafa, Shahnaz Sultan, Philipp Dahm, M. Hassan Murad, Rebecca L. Morgan
{"title":"Certainty of evidence assessment in high-impact medical journals: A meta-epidemiological survey","authors":"Madelin R. Siedler,&nbsp;Neha Tangri,&nbsp;Leena AlShenaiber,&nbsp;Tejanth Pasumarthi,&nbsp;Faisal Shaukat Ali,&nbsp;Volf Gaby,&nbsp;Katie N. Harris,&nbsp;Yngve Falck-Ytter,&nbsp;Reem A. Mustafa,&nbsp;Shahnaz Sultan,&nbsp;Philipp Dahm,&nbsp;M. Hassan Murad,&nbsp;Rebecca L. Morgan","doi":"10.1002/cesm.70014","DOIUrl":"https://doi.org/10.1002/cesm.70014","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>While certainty of evidence assessment is key to a rigorous and transparent systematic review, it is unknown how – and how frequently – it is assessed in systematic reviews. The objective of this study was to examine the prevalence and approaches used for certainty of evidence assessment in systematic reviews published in high-impact medicine journals over the past 11 years.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>A PubMed search and hand-searching of relevant journal websites identified systematic reviews published between 24 January 2013 and 23 January 2024 in any of the ten highest-impact journals in the General and Internal Medicine category of the Journal Citation Report. Two reviewers independently selected any systematic review related to health outcomes assessing certainty of evidence using any method. We extracted data related to review characteristics, certainty of evidence and risk of bias/methodological quality assessment frameworks, and reported consideration of certainty of evidence domains. Logistic regression examined year of publication to determine whether the prevalence of certainty of evidence assessment changed over time.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Of 1,023 included reviews, 346 (33.8%) assessed certainty of evidence. Prevalence of certainty of evidence assessment increased over time (0.16 ± 0.2; <i>p</i> &lt; .001). Most (89.3%) of reviews used the Grading of Recommendations Assessment, Development and Evaluation (GRADE) framework to assess certainty of evidence.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Only one in three systematic reviews published in the highest-impact medical journals over the past 11 years assessed certainty of evidence, though prevalence increased over time. The use of specific domains within each certainty of evidence framework was not clearly described in all reviews.</p>\u0000 </section>\u0000 </div>","PeriodicalId":100286,"journal":{"name":"Cochrane Evidence Synthesis and Methods","volume":"3 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cesm.70014","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143688888","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Coproducing a Cochrane Qualitative Evidence Synthesis: Process, Outcomes, and Reflections on Power Cochrane质性证据合成:过程、结果和对权力的反思
Cochrane Evidence Synthesis and Methods Pub Date : 2025-03-18 DOI: 10.1002/cesm.70025
Bronwen Merner, Rebecca Ryan
{"title":"Coproducing a Cochrane Qualitative Evidence Synthesis: Process, Outcomes, and Reflections on Power","authors":"Bronwen Merner,&nbsp;Rebecca Ryan","doi":"10.1002/cesm.70025","DOIUrl":"https://doi.org/10.1002/cesm.70025","url":null,"abstract":"<p>Reflecting a broader movement toward knowledge democratization, coproducing Cochrane evidence with interest holders outside universities is increasingly encouraged. However, only limited research exists on the approaches used to coproduce Cochrane reviews. Furthermore, the outcomes of coproduction are rarely described. In this commentary, we aim to address these gaps by describing the process and outcomes of coproduction used in a recently published Cochrane qualitative evidence synthesis (QES). We also reflect on power imbalances in our coproduction approach and how these could be minimized in future review coproduction activities.</p>","PeriodicalId":100286,"journal":{"name":"Cochrane Evidence Synthesis and Methods","volume":"3 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cesm.70025","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143645809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Count data, rates, rate differences, and rate ratios in meta-analysis: A tutorial 统计meta分析中的数据、比率、比率差异和比率比率:教程
Cochrane Evidence Synthesis and Methods Pub Date : 2025-02-28 DOI: 10.1002/cesm.70022
Christopher James Rose, Milena Geist, Matteo Bruschettini
{"title":"Count data, rates, rate differences, and rate ratios in meta-analysis: A tutorial","authors":"Christopher James Rose,&nbsp;Milena Geist,&nbsp;Matteo Bruschettini","doi":"10.1002/cesm.70022","DOIUrl":"https://doi.org/10.1002/cesm.70022","url":null,"abstract":"<p>This tutorial focuses on trials that assess outcomes by counting events that can occur zero, one, or more than one time in each participant. Trials and meta-analyses can estimate treatment effects for count outcomes using rate differences or rate ratios. We explain why it may be appropriate to meta-analyze count data to estimate rate ratios rather than odds ratios, risk ratios, or risk differences. We explain what count data are, how trials may estimate treatment effects, how to interpret such estimates, and how to extract data from trials that use count outcomes for meta-analysis. Finally, we discuss some common misunderstandings and subtleties. Supplementary materials include an Excel file for performing calculations, mathematical background, and additional advice.</p>","PeriodicalId":100286,"journal":{"name":"Cochrane Evidence Synthesis and Methods","volume":"3 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cesm.70022","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143513860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Common statistical errors in systematic reviews: A tutorial 系统回顾中的常见统计错误:教程
Cochrane Evidence Synthesis and Methods Pub Date : 2025-01-29 DOI: 10.1002/cesm.70013
Afroditi Kanellopoulou, Kerry Dwan, Rachel Richardson
{"title":"Common statistical errors in systematic reviews: A tutorial","authors":"Afroditi Kanellopoulou,&nbsp;Kerry Dwan,&nbsp;Rachel Richardson","doi":"10.1002/cesm.70013","DOIUrl":"https://doi.org/10.1002/cesm.70013","url":null,"abstract":"<p>The aim of this article is to present the most common statistical errors in meta-analyses included in systematic reviews; these are confusing standard deviation and standard error, using heterogeneity estimators for choosing between a common-effect and random-effects model, improper handling of multiarm trials, and unnecessary and misinterpreted subgroup analyses. We introduce some useful terminology and explain what authors can do to avoid these errors and how peer reviewers can spot them. We have also developed a micro-learning module to provide practical hands-on tutorial.</p>","PeriodicalId":100286,"journal":{"name":"Cochrane Evidence Synthesis and Methods","volume":"3 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cesm.70013","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143120601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Incorporating uncertainty in the baseline risk: An R Shiny tool and an empirical study 将不确定性纳入基线风险:一个R Shiny工具和实证研究
Cochrane Evidence Synthesis and Methods Pub Date : 2025-01-28 DOI: 10.1002/cesm.70018
M. Hassan Murad, Lifeng Lin
{"title":"Incorporating uncertainty in the baseline risk: An R Shiny tool and an empirical study","authors":"M. Hassan Murad,&nbsp;Lifeng Lin","doi":"10.1002/cesm.70018","DOIUrl":"https://doi.org/10.1002/cesm.70018","url":null,"abstract":"<p>The common practice in meta-analysis and clinical practice guidelines is to derive the absolute treatment effect (also called risk difference, RD) from a combination of a pooled relative risk (RR) that resulted from a meta-analysis, and a user-provided baseline risk (BR). However, this method does not address the uncertainty in BR. We developed a web-based R Shiny tool to perform simple microsimulation and incorporate uncertainty in BR into the precision of RD. We empirically evaluated this approach by estimating the impact of incorporating this uncertainty when BR is derived from the control group rates in 3,128 meta-analyses curated from the Cochrane Library (26,964 individual studies). When BR was derived from the largest study in each meta-analysis, the median width of the CI of BR was 11.6% (interquartile range (IQR), 6.30%–18.5%). Incorporating this uncertainty in BR led to expansion of the RD CI by a median of 8 per 1,000 persons (IQR 2–24). This expansion increased in a linear fashion with BR imprecision and was more prominent in meta-analyses with low BR. This study provides a web-based tool to perform simple microsimulation and incorporate uncertainty in BR into the CI of RD.</p>","PeriodicalId":100286,"journal":{"name":"Cochrane Evidence Synthesis and Methods","volume":"3 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cesm.70018","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143120134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Single-arm interventional versus observational studies for assessing efficacy: A meta-epidemiological study 评估疗效的单臂干预性与观察性研究:一项荟萃流行病学研究
Cochrane Evidence Synthesis and Methods Pub Date : 2025-01-16 DOI: 10.1002/cesm.70016
Mary Chappell, Deborah Watkins, Alice Sanderson, Lavinia Ferrante di Ruffano, Paul Miller, Hariet Fewster, Anita Fitzgerald, Mary Edwards, Rachael McCool
{"title":"Single-arm interventional versus observational studies for assessing efficacy: A meta-epidemiological study","authors":"Mary Chappell,&nbsp;Deborah Watkins,&nbsp;Alice Sanderson,&nbsp;Lavinia Ferrante di Ruffano,&nbsp;Paul Miller,&nbsp;Hariet Fewster,&nbsp;Anita Fitzgerald,&nbsp;Mary Edwards,&nbsp;Rachael McCool","doi":"10.1002/cesm.70016","DOIUrl":"https://doi.org/10.1002/cesm.70016","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>Interventional single-arm trials (SATs) are increasingly being used as evidence, despite a lack of agreement on their validity and where they should sit in the hierarchy of evidence. We conducted a meta-epidemiological study to investigate whether there are systematic differences in outcomes and levels of between-study heterogeneity for SATs compared with their observational counterpart, single-arm cohort studies.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We identified systematic reviews (SRs) of pharmacological interventions, published in 2023, that included both interventional and observational single-arm studies. For each SR, subgroup meta-analysis of dichotomous outcomes was conducted for included SATs and single-arm cohort studies to assess effect sizes, levels of heterogeneity and between group differences. In a sensitivity analysis, clinically heterogeneous primary studies were removed and analyses re-run.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>66 SRs contained single-arm studies, of which 13 reported meta-analyses of dichotomous efficacy outcomes. There was no overall risk difference for SATs compared with single-arm cohort studies (risk difference: −0.020, 95% CI: −0.092 to 0.052, <i>p</i> = 0.59). In the sensitivity analysis, there was a tendency to higher effect for single-arm cohort studies, but no significant difference (risk difference: −0.071, 95% CI: −0.161, 0.019, <i>p</i> = 0.12). There were high levels of between-study heterogeneity within both SATs (median; range <i>I</i><sup>2</sup>: 54.8; 11.3–91.0) and single-arm cohorts (median; range <i>I</i><sup>2</sup>: 77.2; 0–94.7) and heterogeneity remained high in the sensitivity analysis.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>There do not appear to be systematic differences in outcome between SATs and single-arm cohort studies, but further research is recommended to confirm this finding. Levels of heterogeneity are high within both designs, even after attempts to reduce clinical heterogeneity. Because clinical heterogeneity had potentially been removed, remaining statistical heterogeneity may have been due to bias related to study conduct. Future work should utilize larger samples and additional methods to further clarify the relative validity of single-arm designs.</p>\u0000 </section>\u0000 </div>","PeriodicalId":100286,"journal":{"name":"Cochrane Evidence Synthesis and Methods","volume":"3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cesm.70016","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143115215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Can using the Cochrane RCT classifier in EPPI-Reviewer help speed up study selection in qualitative evidence syntheses? A retrospective evaluation 在EPPI-Reviewer中使用Cochrane RCT分类器是否有助于加快定性证据合成中的研究选择?回顾性评价
Cochrane Evidence Synthesis and Methods Pub Date : 2025-01-13 DOI: 10.1002/cesm.70012
Heather Melanie R. Ames, Christine Hillestad Hestevik, Patricia Sofia Jacobsen Jardim, Martin Smådal Larsen, Lars Jørun Langøien, Hans Bugge Bergsund, Tiril Cecilie Borge
{"title":"Can using the Cochrane RCT classifier in EPPI-Reviewer help speed up study selection in qualitative evidence syntheses? A retrospective evaluation","authors":"Heather Melanie R. Ames,&nbsp;Christine Hillestad Hestevik,&nbsp;Patricia Sofia Jacobsen Jardim,&nbsp;Martin Smådal Larsen,&nbsp;Lars Jørun Langøien,&nbsp;Hans Bugge Bergsund,&nbsp;Tiril Cecilie Borge","doi":"10.1002/cesm.70012","DOIUrl":"https://doi.org/10.1002/cesm.70012","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>Using machine learning functions, such as study design classifiers, to automatically identify studies that do not meet the inclusion criteria, is one way to speed up the systematic review screening process. As a qualitative study design classifier is yet to be developed, using the Cochrane randomized controlled trial (RCT) classifier in reverse is one possible way to speed up the identification of primary qualitative studies during screening. The objective of this study was to evaluate whether the Cochrane RCT classifier can be used to speed up the study selection process for qualitative evidence synthesis (QES).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We performed a retrospective evaluation where we first identified QES. We then extracted the bibliographic information of the included primary qualitative studies in each QES, and uploaded the references into our data management tool, EPPI-Reviewer. We then ran the Cochrane RCT classifier on each group of included studies for each QES.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Eighty-two QES with 2828 unique primary studies were included in the analysis. 56% of the primary studies were classified as unlikely to be an RCT and 40% as being 0–9% likely to be an RCT. 4% were classified as being 10% or more likely to be an RCT. Of these, only 1.7% were classified as being 50% or more likely to be an RCT.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>The Cochrane RCT classifier could be a useful tool to identify primary studies with qualitative study designs to speed up study selection in a QES. However, it is possible that mixed methods studies or qualitative studies conducted as part of a clinical trial may be missed. Further evaluations using the Cochrane RCT classifier on all the references retrieved from the complete literature search is needed to investigate time- and resource savings.</p>\u0000 </section>\u0000 </div>","PeriodicalId":100286,"journal":{"name":"Cochrane Evidence Synthesis and Methods","volume":"3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cesm.70012","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143114777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Inclusion, characteristics and methodological limitations of systematic reviews in doctoral theses: A cross-sectional study of all universities in Sweden 博士论文系统综述的纳入、特征和方法学局限性:瑞典所有大学的横断面研究
Cochrane Evidence Synthesis and Methods Pub Date : 2025-01-09 DOI: 10.1002/cesm.70015
M. Ringsten, K. Färnqvist, M. Bruschettini, M. Johansson
{"title":"Inclusion, characteristics and methodological limitations of systematic reviews in doctoral theses: A cross-sectional study of all universities in Sweden","authors":"M. Ringsten,&nbsp;K. Färnqvist,&nbsp;M. Bruschettini,&nbsp;M. Johansson","doi":"10.1002/cesm.70015","DOIUrl":"https://doi.org/10.1002/cesm.70015","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Intro</h3>\u0000 \u0000 <p>A systematic review (SR) attempts to find, assess and summarize all the empirical evidence to answer a specific research question. We aim to explore to what extent reviews are included in doctoral theses from all universities with a medical faculty in Sweden, and to describe the type, topic and assess the methodological quality of the reviews.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Duplicate assessors independently searched local and national repositories for doctoral theses published in 2021 within all seven medical faculties in Sweden, and categorized identified reviews based on review type, topic, and methodological quality using AMSTAR-2.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>5.4% (45/852) of all doctoral theses included a review, and 1.3% (45/3461) of all included studies were reviews. Of these, two thirds (31) were SRs and the rest (14) were broader ‘big picture’ reviews. The most common topics were interventions (42%) and exposure/etiology (32%), with no reviews of diagnostic tests. The majority of the SRs had very low (71%) or low (19%) quality, and few reached a high (7%) or moderate (3%) quality. The most common issues were limitations with protocols, limited search strategies, and failure to account for risk of bias in drawn conclusions.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Few doctoral students included SRs in their theses, and the few SRs included in doctoral theses generally had a low quality. There is no consensus on the appropriate proportion of doctoral thesis including a SR. We argue that conducting a SR within a doctoral thesis can reduce redundant, harmful and unethical research, identify knowledge gaps, and help the doctoral student obtain important skills to conduct and use research.</p>\u0000 </section>\u0000 </div>","PeriodicalId":100286,"journal":{"name":"Cochrane Evidence Synthesis and Methods","volume":"3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cesm.70015","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143113480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Using visual methods to further enhance qualitative evidence synthesis 利用可视化方法进一步加强定性证据合成。
Cochrane Evidence Synthesis and Methods Pub Date : 2024-12-22 DOI: 10.1002/cesm.70009
Mayara Silveira Bianchim, Emma F. France, Jane Noyes
{"title":"Using visual methods to further enhance qualitative evidence synthesis","authors":"Mayara Silveira Bianchim,&nbsp;Emma F. France,&nbsp;Jane Noyes","doi":"10.1002/cesm.70009","DOIUrl":"10.1002/cesm.70009","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>The use of visual methods in qualitative evidence synthesis (QES) adds a valuable dimension to the synthesis process by enhancing understanding and knowledge generation. Visual methods are currently underused and underreported in QES.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>This is the first study to describe accessible visual methods that support various stages of QES and to show the application of visual methods to a Cochrane QES of 43 studies using meta-ethnography and systematic review methods. This study also addresses the involvement of stakeholders including the public, practical considerations of equity, diversity, inclusion, and reflexivity in the selection and application of visual methods.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>In a novel approach, the review authors utilized a combination of remote and in-person visual methods to initiate and develop their synthesis, involving stakeholders throughout the process. The review authors used methods including paper labels, cartoons, infographics, virtual whiteboards, and diagrams. The rigorous use of visual methods in the QES facilitated data visualization, remote analysis meetings, interpretation of extensive data, and meaningful patient and public involvement.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>QES authors are encouraged to consider the use of visual methods, particularly when involving the public in the synthesis process. When selecting visual methods, authors should consider how they align with the study's objectives, suit the stage of synthesis, might enhance analysis, their available resources, and the team's technical skills.</p>\u0000 </section>\u0000 </div>","PeriodicalId":100286,"journal":{"name":"Cochrane Evidence Synthesis and Methods","volume":"2 12","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11698405/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142934240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of Cochrane systematic reviews: A comprehensive study of impact and influence from 1998 to 2024 Cochrane系统综述分析:1998 - 2024年影响与影响的综合研究
Cochrane Evidence Synthesis and Methods Pub Date : 2024-12-09 DOI: 10.1002/cesm.70010
Amin Sharifan
{"title":"Analysis of Cochrane systematic reviews: A comprehensive study of impact and influence from 1998 to 2024","authors":"Amin Sharifan","doi":"10.1002/cesm.70010","DOIUrl":"https://doi.org/10.1002/cesm.70010","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>Evidence from Cochrane systematic reviews has significantly impacted clinical practices across diverse disciplines and is widely integrated into international guidelines. To date, there are no bibliometric analyses of Cochrane's publications.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>The search encompassed the Scopus database from inception to May 2024, with results limited to studies published by the Cochrane Database of Systematic Reviews. The analysis examined annual trends and publication volumes, citation patterns, contributing countries, authors, institutions, funding sources, and common keywords. Scopus' built-in analytical tools, the bibliometrix package in RStudio, and VOSviewer software facilitated the analysis of the results.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>A total of 12,150 systematic reviews were eligible. There was a fluctuating pattern in publication and citation trends within Cochrane reviews, with a decline in both metrics since 2016. Contributions mainly came from high-income countries, their institutions, and authors residing there, with significant government funding supporting publications in these regions. The United Kingdom (27%), Australia (10%), and the United States (9%) had the greatest contributions among other countries, respectively. Furthermore, the demographic emphasis in Cochrane reviews was concerned with female and male participants as well as children and adult populations, hinting at the potential underrepresentation of minor gender identities and older adults in the synthesis of evidence.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Cochrane should actively involve researchers and experts from low- and middle-income countries in evidence synthesis, ensure underrepresented and low-resource regions are included in its emerging Evidence Synthesis Units and Thematic Groups, and prioritize the inclusion of geriatric populations and sexual and gender minorities in its evidence to enhance inclusivity and global representation.</p>\u0000 </section>\u0000 </div>","PeriodicalId":100286,"journal":{"name":"Cochrane Evidence Synthesis and Methods","volume":"2 12","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cesm.70010","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142868307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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