• Randomized Trials Versus Observational Studies in Adolescent Pregnancy Prevention
• Rank‐Heat Plot: An R Shiny tool for presenting multiple network meta-analysis outcomes
• Ranking of evidence in network meta-analysis results in misleading conclusion - a case study
• Ranking of Evidence in Network Meta-Analysis Results in Misleading Conclusion -A Case Study.
• Ranking Outcome Variables and Comparing the Design of Eligible Studies with Current Standard of Care: Two Steps Towards Assessing Relevance of Existing Research
• Ranking research methodology by risk—a cross-sectional study to determine the opinion of research ethics committee members
• Ranking the relative importance of health-related outcomes for periodic health examinations - a comparison of citizens and medical experts
• Rapid Cochrane reviews: ‘live testing’ of the concept in a Cochrane Review Group and observations on rapid editorial processes
• Rapid evidence identification in reviews of post-COVID syndrome: inclusion of preprint sources and timeliness of review completion
• Rapid evidence reviews: the CADTH experience
• Rapid evidence synthesis for COVID-19 international guidance: a World Health Organization commissioned Cochrane rapid scoping review
• Rapid needs appraisal to inform outbreak response research
• Rapid network meta-analysis (NMA) using “Plan-Do-study-Act” to prioritise interventions for a platform trial to prevent atrial fibrillation after heart surgery
  
• Rapid production of a series of evidence reviews for a Dutch policy maker: highlights from the obstructive sleep apnea comorbidities initiative
• Rapid qualitative reviews (RQRs): what, why, how and where next?
• Rapid recommendations for screening for early detection of prostate cancer
• Rapid recommendations in reflection of the National Institute for Quality and Excellence in Healthcare (NIKEZ) agenda
• Rapid Response Evidence Service in the Brazilian Federal Government: from policy problems to evidence informed solutions
• Rapid review definition and methods: two scoping reviews
• Rapid review methods: a systematic scoping review
• Rapid review on child food insecurity: challenges encountered
• Rapid review on the effectiveness of personal protective equipment for healthcare workers caring for patients with filovirus disease
• Rapid review programs and methods research: description and discussion of the experiences from among Convenors of the Cochrane Methods Rapid Reviews Group
• Rapid review programs to support healthcare and policy decision making: a descriptive analysis of processes and methods
• Rapid review report on early COVID-19 status in Republic of Korea and global pandemic
• Rapid Review workshop: timely evidence synthesis for decision makers
• Rapid reviews can increase use of evidence by health system decision-makers’ with fast-paced needs: the VA ESP experience
• Rapid reviews in rapid learning health systems
• Rapid reviews of healthcare interventions (2018-2019): A scoping review
• Rapid reviews to inform Ebola preparedness efforts at hospitals
• Rapid reviews to inform health policy decisions using Cochrane Systematic Reviews
• Rapid reviews to inform state health policy decisions
• Rapid reviews to strengthen health policy and systems
• Rapid reviews workshop: developing timely evidence summaries for decision makers
• Rapid reviews, how much do they comply with Cochrane recommendations in their methodology to provide reliable evidence?
• Rapid reviews: appropriateness and applicability
• Rapid reviews: one size fits all?
• Rapid Synthesis for health policies: Interventions to reduce unintended pregnancies among adolescents.
• Rapid-review process to identify priorities for updating published guidelines
• Rapid, rapid, rapid…how reliable is a single screener? A crowd-based, randomized methods study (Part 1)
• Rapid, rapid, rapid…how reliable is a single screener? A crowd-based, randomized methods study (Part 2)
• RAPID: a web-based application for Rapid, efficient, and Accurate automatic generation of submission rePortIng checklists based on large language moDels
• Rare Diseases Clinical Practice Guidelines developed in the context of the Brazilian Public Health System in twelve years.
  
• Rasch analysis of the 9-item Shared Decision Making Questionnaire for women with breast cancer
• Rate and time to the publication of Latin American systematic reviews indexed in PROSPERO: A meta-epidemiological study.
• Rates per woman versus rates per cycle: The importance of relevant outcome measures in subfertility.
• Rating quality of evidence using Cochrane/GRADE approach: sub-group analysis
• Rating the methodological quality of randomised controlled trials
• Rating the quality of evidence in Cochrane network meta-analysis: a cross-sectional study
• Rating the quality of evidence using GRADE approach
• Rating the quality of the evidence for the studies that evaluate the importance of the outcomes of interest
• Ratio of geometric means to analyze continuous outcomes in meta-analysis: comparison to mean differences and ratio of (arithmetic) means using empiric data and simulation
• Ratio of means as an alternative to mean differences for analyzing continuous outcome variables in meta-analysis: a simulation study
• Rationale for the development of Cochrane Physical and Rehabilitation Medicine
• Rationale for the preparation of a vaccines library
• Rationale for writing a teaching book on elemental skills for critically reading biomedical literature for low- and medium-income countries
• Rayyan: a systematic reviews web app for exploring and filtering searches for eligible studies for Cochrane Reviews
• Rayyan: from Hyderabad to Seoul
• RCT databases - reducing research wastage from the systematic review process
• RCT Rehabilitation Checklist - RCTRACK: Project for a reporting guideline for RCTs in rehabilitation
• RCTs for policy interventions? A review of reviews
• Re use of extracted data – an ontology-based approach
• Re-analysing equity in a Cochrane review: Smoking cessation in pregnancy
• Re-analysis of meta-analyses in Cochrane reviews using robust statistical methods
• Re-assessing and revising 'levels of evidence' in the critical appraisal process
• Re-strategizing evidence to policy translation for accelerated utilization of evidence by healthcare consumers in India
• Reaching certainty: a descriptive study of ‘stable’ Cochrane Reviews and coming to firm conclusions
• Reaching people with direct experience of epilepsy to prioritise topics for Cochrane Systematic Reviews: discussion of approach, results and impact on Review Group work plans
• Reaching the end users through effective and safe patient-centred health care - what CCNet can provide
• READ-It project: catalysing influential nutrition evidence synthesis and capacity building in LMICs
• Readability assessment of plain language summaries in Cochrane diagnostic test accuracy reviews
• Readability of Cochrane Breast Cancer Group plain language summaries
• Readability of different formats of information about Cochrane systematic reviews: a cross-sectional study
• Readability, linguistic characteristics and conclusiveness of Cochrane plain language summaries: a cross-sectional study
• Readiness of Parliaments to engage with the Sustainable Development Goals: Implementability of the Inter-Parliamentary Union's Self-Assessment Toolkit
• Real World Study: Bridging the Gap Between Clinical Practice Guidelines and Clinical Decision Making
• Real-world effectiveness of long-acting injections for reducing recurrent hospitalizations in patients with schizophrenia
• Realist review and synthesis of policy intervention studies aimed at reducing exposures to environmental hazards
• Realist review: an introductory workshop
• Realities of practice: engaging parents and general practitioners in developing clinical practice guidelines
• Reappraisal of the nested case-control design in diagnostic research: updating the STARD guideline
• Reasons for disagreements in 'Risk of bias' assessment for randomized controlled trials (RCTs) included in more than one Cochrane review
• Reasons for missing evidence in rehabilitation meta-analyses: a cross-sectional meta-research study
• Reasons for Randomized Controlled Trial Retraction and their impact on Clinical Practice Guidelines: A Cross-sectional Study
• Reasons or excuses for avoiding meta-analysis in forest plots
• Recent clinical practice guidelines on hypertension management do not refer to relevant Cochrane reviews
• Recent methods in meta-analysis: a case study of synthesis of evidence on emerging health technologies
• Reclassifying reviews on the basis of recommendation and results: steps towards a user friendly interface
• Recognising delirium in hospitalised children: A systematic review of risk factors and characteristics of acute paediatric delirium
• Recommendation for axillary lymph node dissection in women with early breast cancer and sentinel node metastasis: A systematic review of randomised-controlled trials using the GRADE system
• Recommendations for investigating clinical heterogeneity in systematic reviews: A methodological review
• Recommendations for the development, piloting and use of data extraction sheets in systematic reviews: a review of methodological guidance
• Recommendations for the implementation of evidence-based medicine in hospitals based on an overview of reviews
• Recommendations for the responsible use of artificial intelligence (AI) in evidence synthesis
• Recommendations for updates to the Cochrane Collaboration’s Risk of Bias assessment tool, based on an evaluation of its initial implementation
• Recommendations mapping of complementary and alternative medicine for cancer pain management in clinical practice guidelines
• Recommendations to keep a living systematic review alive during a pandemic
• Reconceptualising searching and screening: How new technologies might change the way in which we identify studies
• Reconciliation of guidance documents and prioritization of questions for a World Health Organization guideline
• Recovery after gynecological tumor surgery: A scoping review
• Rede NATJus: a blog providing content on EBM and HTA for professionals involved with judicialisation on healthcare in Brazil
• Redesigning the Cochrane highly sensitive search strategy for identifying RCTs in MEDLINE using statistical analysis to improve sensitivity and precision
• Reduce and recycle: Examining relevant, existing synthesised evidence to avoid research waste and refine the preparation of new systematic reviews
• Reducing Bias and Increasing Power by Imputing Missing Standard Deviations for Continuous Outcomes in Systematic Reviews
• Reducing duplication: an example of collaboration between guideline developers and Cochrane Collaborative Review Groups
• Reducing labour and time in creating a systematic review for Japanese rehabilitation nutrition guideline by using artificial intelligence and social networks
• Reducing unnecessary cervical cancer screening: achieving more by doing less
• Reducing Waiting Children with Daycare Search Map: Evidence from an RCT in Shibuya City
  
• Reduction in use of human albumin: Who mediated the change in response to what?
• Redundancy of Systematic Reviews of Stem Cell Therapies for Knee Osteoarthritis
• Redundant Clinical Trials Challenging Research Ethics and Hurting Patients
• Redundant trials: do researchers register clinical trials for outcomes that have a 'high' GRADE evidence rating?
• Reference-based and study-based registers: some answers? more questions?
• Refinement of search filters to reduce information overload when retrieving evidence on variations in practice for NICE Quality Standards
• Reflecting on knowledge mobilization strategies used for the eCOVID-19 Recommendations Map & Gateway to Contextualization: a deliberative dialogue
  
• Reflections on embedding patient and consumer involvement in the PaReNt project
• Reflections on stakeholder engagement in a systematic review of effectiveness: integrating the voice of healthcare users
• Reflections on the use of a novel framework synthesis approach to complete a rapid review of qualitative evidence
• RefTraK - The Cochrane Stroke Group's Specialised Register Management System: A Powerful Tool for Supporting Reviewers
• Refugee crisis in health and society
• Regional Review Group Co-ordinator - a way to recruit and support reviewers to get reviews done?
• Register & handsearch submissions for CENTRAL: all you need is trials!
• Registered paediatric trials worldwide: frequency, location and focus
• Registered trials of traditional Chinese medicine in China: current status and issues
• Registration of randomized controlled trials published in PubMed indexed journals: a cross-sectional analysis
• Registry of medical and technological documents as a database of evidence-based medicine in Ukraine (Registry of MTD)
• Registry-based observational studies of the management and outcome of cancer: a new way to look at old problems
• Regulatory and road-engineering interventions for preventing road traffic injuries and fatalities among vulnerable road users in low- and middle-income countries
• REH-COVER (Rehabilitation – COVID-19 Evidence-based Response) action: a “rapid” and “living” systematic review methodology
• Rehabilitation and Cochrane: A difficult relationship
• Rehabilitation and cross-over design: an evaluation on Medline and Embase
• Rehabilitation for chest trauma patients with intra-pleural abnormalities managed with tube thoracostomy – A Systematic Review.
• Rehabilitation in Africa - Building capacity in clinical practice guidelines development and use
• Rehabilitation interventions in randomized controlled trials for low back pain: are they statistically significant and clinically relevant?
• Rehabilitation practitioners' perceptions of clinical practice guidelines for stroke managment when working in rural primary care in South Africa
• Relationship between collected and published outcomes: a case of IPD meta-analysis on the effect of diet and lifestyle in pregnancy
• Relationship between gastrointestinal infections and ethnicity in the UK: a systematic review and narrative synthesis of quantitative studies.
• Relationship between global burden of disease and quantity of published randomized controlled trials
• Relationship between the description of primary outcomes and significance of the results in trials with diet and lifestyle in pregnancy
• Relative paucity of high-quality or moderate-quality evidence to inform World Health Organization guidelines on antiretroviral therapy
• Relatively absolute (one size may not fit all)
• Relevance In action: how can Cochrane reviews meet consumers' needs?
• Reliability and applicability of RoB 2: experience within the pilot review “Cannabis and cannabinoids for people with multiple sclerosis”
• Reliability and applicability of the revised Cochrane 'Risk of bias' tool for randomized trials (RoB 2)
• Reliability and feasibility of the Health Evidence™ quality assessment tool for systematic reviews on the effectiveness of public health interventions
• Reliability and validity assessment of a risk-of-bias instrument for non-randomised studies of exposures
• Reliability and validity of instruments measuring research utilization in health care
• Reliability and validity of the Newcastle Ottawa Scale
• Reliability of a Scale for Measuring the Methodological Quality of Clinical Trials
• Reliability of data extraction using manual measurements of published graphs or figures
• Reliability of estimating odds ratios of response and the corresponding standard errors from continuous rating scale scores for meta-analysis: a case study in trials on depression treatment
• Reliability of risk of bias assessments between pairs of reviewers from different centers and reasons for disagreement
• Reliably estimating interactions and subgroup effects in aggregate data meta-analysis
• Relocating a Cochrane entity: the United States Cochrane Center experience
• REMARK Profile Study: reporting of participant flow and events in prognostic studies of tumour markers
• Remote development of a localised package of care to support primary healthcare clinicians in Nigeria: A case study
• Renal adverse effects from cyclooxygenase-2 inhibitor anti-inflammatories: a systematic review and meta-analysis of randomized controlled trials
• Repeated measures meta-analysis of clinical trials
• Repetitive peripheral magnetic stimulation for impairment and disability in people after stroke
• Replacing Exercise electrocardiography with Coronary Computed Tomographic Angiography for Detecting Coronary Artery Disease - Relevant Advancement or Risk of Overdiagnosis?
• Replication and contradiction of highly cited research papers in psychiatry: 10-year follow-up
• Replies to pharmacotherapeutic queries from an HTA centre and a drug information centre ‒ a comparative analysis
  
• Report on the ‘pre’ and ‘post’ peer review questionnaire on ‘assessment and treatment of gonarthrosis’
• Report on The Cochrane Empty Review Project Consensus Meeting: A proposal of empty review reporting guidelines and an invitation for feedback
• Reported estimates of diagnostic accuracy in ophthalmology conference abstracts are not associated with full-text publication
• Reported use and perceptions of value of Cochrane evidence by South African guideline developers
• Reported versus actual analytical methods to handle missing participant data in meta-analysis: a survey of 100 systematic reviews
• Reporting absolute estimates of effect and certainty of evidence when conducting an umbrella review
• Reporting adverse events in reviews and the PRISMA Harms
• Reporting and analysis of missing participant continuous data in randomized controlled trials (LOST-IT-II): a systematic survey
• Reporting and application of minimally important differences in randomized controlled trials evaluating patient reported outcomes: a systematic survey
• Reporting and methodological quality assessment of guideline for rare diseases
• Reporting and methodological quality of acupuncture therapy: an evidence mapping of 146 Network Meta-analyses
• Reporting and methodological quality of systematic reviews in the orthopaedic literature
• Reporting and methodological quality of systematic reviews of interventions published in Chinese surgical journals
• Reporting and methods in systematic reviews of comparative accuracy
• Reporting bias and aripiprazole for schizophrenia: new data from unpublished studies
• Reporting bias in clinical trials
• Reporting Bias in Imaging Diagnostic Accuracy Research: Update on Recent Evidence
• Reporting bias in imaging diagnostic accuracy studies: Are studies with positive conclusions or titles submitted and published faster?
• Reporting bias in imaging research: association of diagnostic accuracy estimates in radiology conference abstracts with full-text publication
• Reporting bias in industry-sponsored spinal fusion studies of recombinant human Bone Morphogenetic Protein-2 (rhBMP-2)
• Reporting bias: higher diagnostic accuracy is linked to faster publication in imaging research
• Reporting characteristics and quality of systematic reviews on acupuncture analgesia
• Reporting characteristics of Cochrane Reviews on health policy research
• Reporting characteristics of health policy briefs: a cross-sectional study of briefs in HSE and WHO databases
• Reporting Characteristics of Health Policy Briefs：A cross-sectional study
• Reporting Characteristics of Negative Pressure Wound Therapy Systematic Reviews
• Reporting gap of randomized clinical trials registered in Western Mexico, a cross-sectional study
• Reporting guidelines for qualitative and mixed-method syntheses: contemporary and novel developments
• Reporting guidelines for reporting searches of network meta-analysis are needed
• Reporting guidelines for systematic review protocols
• Reporting health related quality of life in critical care RCTs
• Reporting heterogeneity in meta-analysis: understanding Cochrane's shift from I-squared to prediction intervals
• Reporting items for ChatGPT and other similar cHatbots usEd in mEdical Research: CHEER statement
• Reporting Items for Practice Guidelines in Healthcare (RIGHT)
• Reporting items for systematic reviews and meta-analyses of acupuncture: the PRISMA-A statement
• Reporting methodological search filter performance comparisons: a review
• Reporting missing outcome data for participants in randomized trials: a methodological survey of proposed approaches
• Reporting of absolute estimates of effect of patient important benefits and harms in abstracts of systematic reviews