Results

Total Results: 1,912 records

Showing results for "analyses".
Users also searched for: heart failure

21. Expanded Guidance on Selected Quantitative Synthesis Topics | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/quantitative-synthesis-expanded-methods/methods
    December 01, 2019 - and binary analyses of relative measures (odds ratio or relative risk). … The additional power may not be necessary for many meta-analyses. … The exploratory nature of these analyses should be clear. … Sensitivity analyses   Specify what sensitivity analyses are being done and how they relate to key … analyses undertaken.

22. Report of a Pilot Project: Rapid Cost Analyses of Selected Potential High-Impact Intervention Reports | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/horizon-scan/research-2015
    November 01, 2017 - Home Evidence Reports Report of a Pilot Project: Rapid Cost Analyses … SHARE: Report of a Pilot Project: Rapid Cost Analyses … In 2014, AHRQ requested exploratory, rapid, cost analyses to elucidate the potential 1-year spend of … Conclusions Limitations of these rapid cost analyses include the short timeframe to produce them, limited … Citation: Research Report: Report of a Pilot Project: Rapid Cost Analyses

23. Chapter 8: Meta-Analysis of Test Performance When There Is a “Gold Standard” | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests-metaanalysis/methods
    December 01, 2019 - . 2,28,30 Multivariate meta-analyses require advanced hierarchical modeling. … in a large empirical exploration of 308 meta-analyses. 40 Chappell et al. argued that in meta-analyses … or subgroup analyses. … When are summary ROC curves appropriate for diagnostic meta-analyses? … Task 1: Comprehensive Overview of Methods and Reporting of Meta- Analyses of Test Accuracy.

24. Editorial. Methods Guide for Authors of Systematic Reviews of Medical Tests: A Collaboration Between the Agency for Healthcare Research and Quality (AHRQ) and the Journal of General Internal Medicine | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/methods-guide-editorial/methods
    December 01, 2019 - For example, the annual number of meta-analyses (a subset of systematic reviews) indexed by MEDLINE has … Published in 1999, the QUORUM (Quality of Reporting of Meta-Analyses) guideline for reporting systematic … Improving the quality of reports of meta-analyses of randomised controlled trials: the QUOROM statement … Quality of Reporting of Meta-analyses. Lancet 1999;354:1896-900. … PRISMA: Transparent reporting of systematic reviews and meta-analyses.

25. Methods Guide for Comparative Effectiveness Reviews - Expanded Guidance on Selected Quantitative Synthesis Topics (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/quantitative-synthesis-expanded-methods_methods.pdf
    March 01, 2013 - and binary analyses of relative measures (odds ratio or relative risk). … • The additional power may not be necessary for many meta-analyses. … The exploratory nature of these analyses should be clear. … Sensitivity analyses Specify what sensitivity analyses are being done and how they relate to key … analyses undertaken. 15 References 1.

26. White Paper_Supplementing Systematic Review Findings With Healthcare System Data: Pilot Projects From the Agency for Healthcare Research and Quality Evidence-based Practice Center Program (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/pilot-projects-supplementing-white-paper.pdf
    December 01, 2024 - Key Findings • While analyses of electronic health record (EHR) data may fill clinical evidence gaps … • Conducting supplemental data analyses is feasible but required substantial additional total hours … • Single health system datasets may be too small for subgroup analyses, and use of larger, national … EPCs also tracked additional resources needed to conduct supplemental analyses. … • What resources (time and expertise) are needed to conduct such supplemental data analyses?

27. Findings of Bayesian Mixed Treatment Comparison Meta-Analyses: Comparison and Exploration Using Real-World Trial Data and Simulation | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/bayesian-mixed-treatment/research
    November 01, 2017 - Evidence Reports Findings of Bayesian Mixed Treatment Comparison Meta-Analyses … SHARE: Findings of Bayesian Mixed Treatment Comparison Meta-Analyses … with Bayesian MTC meta-analysis to explore heterogeneity; and (3) how findings of Bayesian MTC meta-analyses … Project Timeline Findings of Bayesian Mixed Treatment Comparison Meta-Analyses: Comparison and Exploration … Research Report: Findings of Bayesian Mixed Treatment Comparison Meta-Analyses

28. Change Score or Followup Score? An Empirical Evaluation of the Impact of Choice of Mean Difference Estimates | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/choice-of-mean/white-paper
    November 01, 2017 - Data were abstracted from a total of 63 meta-analyses (156 trials) to evaluate differences in baseline … Using the Knapp-Hartung modification of random effect estimate led to most (10) meta-analyses showing … Finally, among the 10 meta-analyses that compared active intervention versus control or usual care, using … Among the other 53 meta-analyses comparing different interventions, there were 4 discrepancies using … Sensitivity analyses using both change scores and final values should be conducted to check the robustness

29. Comparative Effectiveness of Epoetin and Darbepoetin for Managing Anemia in Patients Undergoing Cancer Treatment–An Update to the 2006 Report | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/cancer-anemia-update/research-protocol
    December 01, 2019 - Rather, new analyses are needed. … Study-level and individual patient data meta-analyses. … Accordingly, the tool will be applied to all meta-analyses. … A random effects model will be assumed for all meta-analyses. … Meta-analyses of safety data: a comparison of exact versus asymptotic methods.

30. Towards a Framework for Communicating Confidence in Methodological Recommendations for Systematic Reviews and Meta-Analyses | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/methodological-recommendations-framework-communications/research
    November 01, 2017 - Framework for Communicating Confidence in Methodological Recommendations for Systematic Reviews and Meta-Analyses … Framework for Communicating Confidence in Methodological Recommendations for Systematic Reviews and Meta-Analyses … Framework for Communicating Confidence in Methodological Recommendations for Systematic Reviews and Meta-Analyses … Framework for Communicating Confidence in Methodological Recommendations for Systematic Reviews and Meta-Analyses

31. Closing the Quality Gap Series: Prevention of Healthcare-Associated Infections | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/health-careassociated-infections/research
    December 01, 2019 - Results Sixty-one articles yielded 71 analyses at the infection level, including 9 articles (10 analyses … Twenty-six analyses were performed on CLABSI, 19 on VAP, 15 on SSI, and 11 on CAUTI. … There were 34 analyses on adherence, of which 31 (91%) showed significant improvement. … There were 63 analyses of infection rates, of which 42 (67%) showed significant improvement.

32. Conducting Quantitative Synthesis When Comparing Medical Interventions: AHRQ and the Effective Health Care Program | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/methods-guidance-quantitative-synthesis/methods
    December 01, 2019 - Sensitivity Analyses Completing a CER is a structured process. … Studies with zero events in one arm should be included in the analyses. 3.2. … Sensitivity analyses A CER with a meta-analysis should always include sensitivity analyses … This article does not address every major issue relevant to meta-analyses. … Measuring inconsistency in meta-analyses. BMJ 2003;327:557–560.

33. Comparative Effectiveness Review Disposition of Comments Report: Anxiety in Children (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/disposition-of-comments-cer-192-anxiety-in-children.pdf
    August 31, 2017 - We understand the importance of subgroup analyses. … In this revision, we added some subgroup analyses. … The subgroup analyses examined disorder specific studies. … Some studies appear to be missing in the analyses. … Our concerns regarding these analyses are twofold.

34. Methods Guide for Medical Test Reviews (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-metaanalysis_methods.pdf
    July 01, 2012 - Multivariate meta-analyses require advanced hierarchical modeling. … in a large empirical exploration of 308 meta-analyses.40 Chappell et al. argued that in meta-analyses … or subgroup analyses. … Guidelines for meta-analyses evaluating diagnostic tests. … When are summary ROC curves appropriate for diagnostic meta-analyses?

35. Menopausal Symptoms: Comparative Effectiveness Review of Therapies | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/menopause/research-protocol
    December 01, 2019 - Other meta-analyses and systematic reviews will not be included. … A proposed method of bias adjustment for meta-analyses of published observational studies. … Conducting meta-analyses in R with the metafor Package. J Stat Software 2010;36(3):1-48. … How should meta-regression analyses be undertaken and interpreted? Stat Med2002;21(11):1559-73. … Baseline risk as predictor of treatment benefit: three clinical meta-re-analyses.

36. Web Interactive Presentation of EPC Reports: A Foray Into Interactive Reports (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-report-web-interactive-presentation.pdf
    September 01, 2019 - In its current form, the tool does not provide or allow for additional analyses not included in the … First, there is a need to perform analyses, including sensitivity analyses, dynamically. … This can be accomplished by embedding statistical analyses in the interactive report. … We submit that, perhaps, the advantages of offering dynamic analyses outweigh their risks. … Conducting meta-analyses in R with the metafor package. J Stat Softw. 2010;36(3). 6.

37. Rapid Reviews May Produce Different Results to Systematic Reviews: A Meta-epidemiological Study | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/grant-manuscripts/rapid-reviews-abstract
    June 01, 2024 - Study design and setting: We recalculated meta-analyses for binary primary outcomes in Cochrane systematic … Rapid methods resulted in the loss of all data in 3.7-44.7% of meta-analyses. … Changes in statistical significance occurred in 6.5-38.6% of meta-analyses. … Changes from significant to nonsignificant were most common (2.1-13.7% meta-analyses).

38. Future Research Needs for Treatment of Obstructive Sleep Apnea (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/sleep-apnea-treatment-future_research.pdf
    February 01, 2012 - Analyses of CPAP stratified by disease severity b. … Analyses of CPAP stratified by disease severity b. … and subgroup analyses. … Analyses of CPAP stratified by disease severity b. … or post hoc analyses of existing trials.

39. AHRQ Slide Template 2009 (ppt file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/reporting.ppt
    September 01, 2009 - Describe the methods of additional analyses (e.g., sensitivity or subgroup analyses, meta-regression … Example: Sensitivity analyses were pre-specified. … PMID: 20704038 Results: Additional Sensitivity Analyses Give the results of additional analyses, … Results: Additional Sensitivity Analyses Authors should report sensitivity analyses, which is usually … Results: Additional Subgroup Analyses It is important to separate subgroup analyses, which is usually

40. S58 (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/s58.pdf
    October 01, 2007 - For example, longitudinal analyses of antiretroviral medication use among Medicaid beneficiaries with … Supports detailed analyses of subgroups, rare conditions and comorbidities, including individuals with … Censoring and changes in diagnosis, treatment, and eligibility status complicate analyses. … Construction of eligibility timelines is used to select intervals to be included in analyses. … Descriptive analyses of the integrity of a US Medicaid claims database.