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  1. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/colorectal-surgery-preparation_disposition-comments.pdf
    April 30, 2014 - Peer Reviewer #5 Methods The choice of odds-ratio as the unit of analysis is acceptable. … stratified analysis). … The network analysis is presented in detail but is not a valid comparison. … We have removed the recommendation for decision analysis or decision aids. … A statistical reviewer has reviewed the analysis methods.
  2. effectivehealthcare-admin.ahrq.gov/products/nephropathy-contrast-induced/clinician
    December 01, 2019 - or qualitative synthesis of studies when meta-analysis was not performed: ↓ = decreased; ↔ = no … c Twenty-three studies were included in the meta-analysis. … d Seventeen studies were included in the meta-analysis. … or qualitative synthesis of studies when meta-analysis was not performed: ↓ = decreased; ↑ = increased … f Three studies were included in the meta-analysis.
  3. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/nephropathy-contrast-induced_clinician.pdf
    August 01, 2016 - c Twenty-three studies were included in the meta-analysis. … d Seventeen studies were included in the meta-analysis. … or qualitative synthesis of studies when meta-analysis was not performed: ⬇ = decreased; ⬆ = increased … e One study included in this meta-analysis compared a statin + sodium bicarbonate + IV saline versus … f Three studies were included in the meta-analysis.
  4. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/cer-207-ptsd-disposition-comments.pdf
    May 17, 2018 - Random-effects meta-analysis of inconsistent effects: a time for change. … But not as much as a sensitivity analysis would. … The network meta-analysis results must be interpreted with caution as indicated in the report. … ) on the validity of the network meta- analysis. … (or of diagnostics) on the validity of the network meta- analysis.
  5. effectivehealthcare-admin.ahrq.gov/products/copd-anticholinergic-medicines/research
    January 01, 2020 - A recent meta-analysis showed an increased risk of cardiovascular mortality, 17 while this meta-analysis … This resulted in 17 medication regimens included in the analysis. … Analysis Analyses were done separately for each outcome. … Tiotropium for stable chronic obstructive pulmonary disease: A meta-analysis. … Pooled clinical trial analysis of tiotropium safety. Chest 2006 Dec;130(6):1695-703. 20.
  6. effectivehealthcare-admin.ahrq.gov/products/observational-research-scores/research
    January 01, 2019 - Study design options include restriction and matching, while analysis options include stratification, … the analysis is a restriction, matching, stratification, regression adjustment, or weighting. … Figure 5 is a presentation of the results of matched analysis. … This type of study poses several challenges for statistical analysis. … Otherwise, it is used in the regression analysis.
  7. effectivehealthcare-admin.ahrq.gov/products/n-1-trials/research-2014-3
    August 01, 2019 - If a researcher later includes this case in a secondary aggregate analysis, it exemplifies Model C . … Study Delivery System + Secondary Analysis (Model D) The more challenging case to be made to an IRB … or meta-analysis with expedited review. … Model C: Clinical care with secondary analysis – expedited IRB approval sought for secondary analysis … Prospective consent for secondary data analysis is preferred whenever possible.  
  8. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/ehc-presentation-quantitative-synthesis-chapter-2.pdf
    February 01, 2018 - • Recognize common measures of association for meta-analysis (e.g., risk difference, odds ratio … Learning Objective Outcomes and effect measures • Methods for meta-analysis depend on the outcome … to calculate binary effect sizes will be published and the data can be analyzed using statistical analysis … • The data needed for analysis can be presented in this way: Binary outcomes • Every effort should … • The selection of the preferred relative effect measure depends on the specific meta-analysis.
  9. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/heart-disease-ace-inhibitor-arb-disposition.pdf
    March 10, 2010 - Methods Adding NNT or NNH to the analysis may make it better to understand the effect. … While the authors should be applauded for their meticulous and exhaustive data collection analysis, … Maybe sensitivity analysis could help here. Thank you for this comment. … Results In this analysis, ACEI or ARB did not reduce the incidence of Afib. … The prior mentioned meta-analysis differs from our report in several notable ways.
  10. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/main-apps-surv-report-3-acute-pain.pdf
    June 01, 2022 - (meta-analysis performed if new evidence was large relative to the studies in the original meta- analysis … ); consistency in findings between the new studies and the original meta-analysis (meta- analysis performed … and a trial sequential analysis. … Effect of preemptive acetaminophen on opioid consumption: a meta-analysis. … Meta-analysis Results Figure G-1.
  11. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/thromboembolism-update-disposition.pdf
    June 22, 2017 - REML is one of the preferred methods for meta-analysis. … Direct factor Xa inhibitors (FXaI) were not available at the time of the pooled analysis. … Peer Reviewer #4 Results Page 37, subgroup analysis: p < 0.03? P <0.20? … If this is mislabeled, then the analysis of Mechanical vs. … The network meta-analysis is especially useful.
  12. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/omega-3-maternity_executive.pdf
    October 01, 2016 - Forest plots were provided for random effects meta-analysis. … An alternative method for meta-analysis. Biometrical Journal. 1999;41(8):901-16. … Robust variance estimation for random effects meta-analysis. … Computational Statistics & Data Analysis. 2006;50(12):3681-701. 14. … Confidence intervals for the overall effect size in random-effects meta-analysis.
  13. effectivehealthcare-admin.ahrq.gov/products/antidepressants-update/research-protocol
    December 01, 2019 - For example, in a sensitivity analysis of a meta-analysis on the risk of nausea and vomiting during treatment … : no limit For qualitative analysis: n ≥ 40 Key Question 2a : Maintenance of … A “poor” rating indicates significant bias (e.g., stemming from serious errors in design or analysis) … (meta-analysis) of data from those studies. … The TEP does not do analysis of any kind nor contribute to the writing of the report.
  14. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/peripheral-nerve-block-protocol.pdf
    November 18, 2023 - Transversus Abdominis Plane Block for Post Hysterectomy Pain: A Systematic Review and Meta-Analysis. … with trial sequential analysis. … BOPv1U Review and Meta-Analysis. AANA J. 2023;91(6):455-463. 49. … and trial sequential analysis. … Technical Experts do not conduct analysis or contribute to the writing of the report.
  15. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/episodic-migraine-surveillance-report-1.pdf
    June 01, 2022 - Placebo, subgroup analysis by age No study in the original report evaluated this subgroup. … Real- world data analysis of REN treatment in migraine patients. … Acute treatments for episodic migraine in adults: a systematic review and meta-analysis. … Subgroup Analysis Table H-1. … Subgroup Analysis Appendix I. Appendix References
  16. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/stent-clopidogrel-practice_research.pdf
    March 01, 2009 - Landmark Analyses Based on Clopidogrel Use Landmark analysis is a form of survival analysis that classifies … For the 12-month landmark analysis, patients with PCI procedures occurring after July 31, 2004 were … Limitations There are two important caveats to this analysis. … Statistical analysis: Eisenstein, Anstrom, Shaw, Tuttle. … Analysis of survival by tumor response. Journal of Clinical Oncology 1983;1:710-719. 13.
  17. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/prevent-hai-draft-report.pdf
    January 16, 2025 - For the analysis, authors used SimaPro 9.5.0.1. … in this analysis is complete and well-documented. … Methods for this analysis were documented well. … A systematic review and cost effectiveness analysis of reusable vs. … Reusable versus disposable surgical drapes: A cost-benefit analysis.
  18. effectivehealthcare-admin.ahrq.gov/products/instrumental-variable-methods/research
    January 01, 2019 - Such an analysis can help to identify the ‘marginal patients.’ … Here, one might consider using the IV in a secondary or sensitivity analysis. … Analysis using instrumental variables. JAMA 1994;272:859-866. 26. … IV as a Secondary Analysis. … may be useful as a confirmatory or secondary analysis.
  19. effectivehealthcare-admin.ahrq.gov/products/diabetes-behavior-programs/research-protocol
    December 01, 2019 - Meta-analysis: chronic disease self-management programs for older adults. … Behavioural interventions for type 2 diabetes: an evidence-based analysis. … Diabetes patient education: a meta-analysis and meta-regression. … A simple confidence interval for meta-analysis. Stats Med. 2002;21:3153-59. … Random effects meta-analysis of inconsistent effects: a time for change.
  20. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/nephropathy-contrast-induced_executive-2016.pdf
    January 01, 2016 - Results The literature search revealed 29 RCTs for summary and analysis and 10 observational studies … When the analysis was stratified by route of administration, the pooled risk ratio was 0.80 (95% CI … However, a recent meta-analysis of RCTs comparing IOCM and LOCM that included such studies found no … As mentioned above, one study was a network meta- analysis that pooled all outcomes without focusing … Meta-analysis in clinical trials. Control Clin Trials. 1986 Sep;7(3):177-88. PMID: 3802833. 9.

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