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Showing results for "meta analysis".

161. Amended Protocol: Interventions for Breathlessness in Patients with Advanced Cancer (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/dyspnea-protocol-amended.pdf
     May 19, 2020 - We will develop a search strategy for PubMed, based on an analysis of the medical subject headings ( … determine if they should be included in the final qualitative and quantitative systematic review and meta-analysis … as conduct a meta-regression analysis if covariate information (e.g., age, sex) is available. … For sparse data meta-analysis, we will employ the Peto Odds ratio method when event rates are less than … Statistical power analysis for the behavioral sciences. Hillsdale, NJ: L.

162. Comparative Effectiveness of Adjunctive Devices to Remove Thrombi or Protect Against Distal Embolization in Patients with Acute Coronary Syndrome Undergoing Percutaneous Coronary Intervention of Native Vessels (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/acs-pci-adjunctive-devices_disposition-comments.pdf
     March 01, 2012 - Was meta-analysis of subgroup data, estimates of association, or meta-regression not possible? … that it is also possible to tell (e.g. from superscripts) where the evidence originated in – RCT, meta-analysis … It is recommended that publication bias should be assessed when there are 10 or more studies in a meta-analysis … Peer Reviewer #3 Results Why were so many systematic reviews and meta-analyses included but only one … is that evidence is insufficient (insufficient in power) even when there are several studies in a meta-analysis

163. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/management-adhd-adults-protocol-amendment.pdf
     January 08, 2025 - Computerized cognitive interventions for adults with ADHD: A systematic review and meta-analysis. … Atomoxetine for attention deficit hyperactivity disorder in the adulthood: a meta-analysis and meta-regression … Hartung-Knapp-Sidik-Jonkman approach and its modification for random-effects meta-analysis with few … Risk of bias: a simulation study of power to detect study-level moderator effects in meta-analysis. … Bias in meta-analysis detected by a simple, graphical test.

164. Medical Therapies for Locally Advanced Gastric Adenocarcinoma (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/gastric-cancers-protocol-amended.pdf
     February 07, 2025 - Data Synthesis: We will summarize the evidence qualitatively and quantitatively (e.g., meta- analysis … , network meta-analysis) when possible. … To assess whether pairwise meta-analysis will be appropriate, we will consider population factors such … In considering network meta-analysis, we will evaluate how these factors are distributed across direct … Estimating interactions and subgroup‐ specific treatment effects in meta‐analysis without aggregation

165. Adverse Effects of First-Line Pharmacologic Treatments of Major Depression in Older Adults (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/ehc-depression-research-protocol.pdf
     February 07, 2018 - We will perform random-effects meta-analysis using the Hartung-Knapp adjustment when sufficient data … The arcsine difference as a measure of treatment effect in meta-analysis with zero cells. … Meta-analysis of rare binary events in treatment groups with unequal variability. … Bias in meta-analysis detected by a simple, graphical test. BMJ. 1997;315:629-34 22. … Comparison of two methods to detect publication bias in meta-analysis.

166. AHRQ Slide Template-Widescreen
     effectivehealthcare.ahrq.gov/sites/default/files/wysiwyg/pdf/epc-maternal-health-grand-rounds-slides.pptx
     January 01, 2023 - 15–12:30 Report Presentation: Postpartum Care up to 1 Year After Pregnancy: A Systematic Review and Meta-analysis … Postpartum Care Discussants Postpartum Care Up to One Year After Delivery: A Systematic Review and Meta-Analysis … Patient-Centered Outcomes Research Institute (PCORI). 21 21 Context 22 Systematic review and meta-analysis … Delivery strategies for postpartum care: a systematic review and meta-analysis. … Postpartum care up to one year after pregnancy: a systematic review and meta-analysis.

167. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/heart-disease-ace-inhibitor-arb-disposition.pdf
     March 10, 2010 - with the appropriate analyses, including assessments of the strength and quality of the evidence, meta-analysis … We are suggesting that these comparisons be made within the context of an individual patient data meta-analysis … A prior meta-analysis have show different results when including patients with or without LV dysfunction … While this may be accurate, data from other meta analysis have shown otherwise when combing these studies … The prior mentioned meta-analysis differs from our report in several notable ways.

168. Systematic Review on Opioid Treatments for Chronic Pain: Surveillance Report 1 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/opioids-chronic-pain-surveillance-report-1-final.pdf
     April 01, 2022 - of new studies eligible for meta-analysis (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 if findings from new evidence appear inconsistent … Opioids for chronic low back pain management: a Bayesian network meta- analysis. … A Systematic Review and Meta-Analysis.

169. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/management-adhd-adults-protocol.pdf
     June 10, 2024 - Computerized cognitive interventions for adults with ADHD: A systematic review and meta-analysis. … Atomoxetine for attention deficit hyperactivity disorder in the adulthood: a meta-analysis and meta-regression … Hartung-Knapp-Sidik-Jonkman approach and its modification for random-effects meta-analysis with few … Risk of bias: a simulation study of power to detect study-level moderator effects in meta-analysis. … Bias in meta-analysis detected by a simple, graphical test.

170. Disposition of Comments for Evidence Report 224 Omega-3 Fatty Acids (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/omega-3-maternity_disposition-comments.pdf
     October 12, 2016 - Peer Reviewer #2 Methods (2) meta-regression or subgroup analysis based on omega-3 dosing. … The objective of a meta- analysis is to increase statistical power, so a limitation on smaller studies … Moreover, adding to existing meta-analysis was not done consistently. … We attempted to avoid using existing meta-analyses in our review and have removed the one prior meta-analysis … The effect sizes were 26% in the most recent meta-analysis, and 51% and 87.5%, respectively in two

171. Breast-Abnormalities-Tests-Update Research-Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/breast-abnormalities-tests-update_research-protocol.pdf
     July 01, 2010 - Systematic reviews in health care: meta-analysis in context. 2nd ed. … An additional experience with 1153 cases (1985 to 1988) and a meta-analysis. … A unification of models for meta-analysis of diagnostic accuracy studies. … Meta-DiSc: a software for meta- analysis of test accuracy data. … Quantifying heterogeneity in a meta-analysis. Stat Med 2002;21:1539-58. 34.

172. Title (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/obesity-child_research-protocol.pdf
     March 31, 2010 - Protocol Project Title: Childhood Obesity Prevention Programs: A Comparative Effectiveness Review and Meta-Analysis … meta-analysis of the findings will make unique contribution to the literature. … Finally, we will conduct meta-analysis of the results from the published studies, and generate a research … Data Synthesis (mainly meta-analysis) For each Key Question, we will create a set of detailed evidence … Subgroup analysis: We will conduct subgroup meta-analyses when there are sufficient data (at least

173. Living Systematic Reviews: Practical Considerations for the Agency for Healthcare Research and Quality Evidence-based Practice Center Program (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/product/pdf/practical-considerations.pdf
     March 01, 2022 - scoping, conducting searches, selecting studies, abstracting data, assessing risk of bias, conducting meta-analysis … While an updated meta-analysis has the potential to improve effect size estimates as more data became … As the evidence base matures, we will need to consider how often to update the meta- analyses. … - analysis No Updating meta- analysis more frequently could allow for modifications and additional … need to increase statistician FTE and have available on an ongoing basis, and plan for regular meta-analysis

174. Evaluation of Dietary Protein Intake Requirements (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/dietary-protein-intake-protocol-amendment.pdf
     November 28, 2023 - .24 When meta-analysis is not possible, we will provide a qualitative synthesis. … When meta-analysis is possible, we will synthesize data using a Hartung, Knapp, Sidik, and Jonkman … (HKSJ)25 random effects model in Comprehensive Meta-Analysis version 3 (Biostat, Englewood, New Jersey … If meta-analysis is not possible, we will present results in a narrative Summary of Findings table. … Meta-Analysis with R. 2015. 27. Higgins JP, Thompson SG, Deeks JJ, Altman DG.

175. Evidence Report on the (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/antidepressants-update_research-protocol.pdf
     July 13, 2011 - For example, in a sensitivity analysis of a meta-analysis on the risk of nausea and vomiting during … must be able to be abstracted from data presented in the papers (including Systematic Reviews and Meta-analyses … design Head-to-head, double-blind, RCTs Good or fair quality meta-analyses Good or fair quality … recurrent depression Study design Head-to-head, double-blind, RCTs Good or fair quality meta-analyses … (meta-analysis) of data from those studies.

176. Future Research Needs for Treatment of Obstructive Sleep Apnea (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/sleep-apnea-treatment-future_research.pdf
     February 01, 2012 - trials to allow meta- analysis, but patient-level meta-analysis would be required to evaluate the differential … Patient-Level Meta-analysis Standard meta-analysis of existing studies is not feasible due to the large … Ethical Issues Meta-analysis uses existing data. … Patient-Level Meta-analyses Value of Study Design Standard meta-analysis of existing studies is not … Ethical Issues Meta-analysis uses existing data.

177. Acs-Pci-Adjunctive-Devices Research-Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/acs-pci-adjunctive-devices_research-protocol.pdf
     July 01, 2010 - To assess the effect of heterogeneity (both clinical and methodological) on the conclusions of our meta-analysis … For example, when a meta-analysis is performed, we will evaluate the confidence interval around the … adjunctive thrombectomy and embolic protection devices in acute myocardial infarction: a comprehensive meta-analysis … Meta-Analysis in clinical trials. Controlled Clin Trials. 1986 ;7 :177-188. 10. … Bias in Meta-Analysis Detected by a Simple, Graphical Test. BMJ 1997;315:629-34. 11.

178. Treatment Strategies for Women With Coronary Artery Disease: Future Research Needs (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/cad-women-treatment-future_research.pdf
     February 01, 2013 - Meta-Analysis or Individual Patient Data Analysis Across RCTs? … Meta-Analysis of Observational Studies? New Observational Study? … "[Publication Type] OR "meta-analysis as topic"[MeSH Terms] OR "meta-analysis"[tw] OR "meta-analyses … Meta-Analysis of RCTs If a new RCT is not feasible, then a meta-analysis of existing RCTs may provide … Meta-Analysis of Observational Studies If a meta-analysis of RCTs is not feasible, the next most valid

179. Meditation Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/meditation_executive.pdf
     January 01, 2014 - Some studies did not report enough information to be included in meta-analysis. … This is a simple range of estimates, not a meta-analysis. … analysis (MA), the number of trials reporting sufficient information to be included in a meta-analysis … Mindfulness-based stress reduction and cancer: a meta-analysis. … Blood pressure response to transcendental meditation: a meta-analysis.

180. Calcineurin_Inhibitors_Protocol_FINAL_10-07-2014 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/calcineurin-inhibitor_research-protocol.pdf
     October 08, 2014 - Decisions about whether meta-analysis is appropriate will depend on the judged clinical homogeneity … using the Hartung-Knapp method.31,32 Meta-regression and subgroup analysis will be used to explore … A refined method for the meta-analysis of controlled clinical trials with binary outcome. … Random-effects meta-analysis of inconsistent effects: a time for change. … analysis'/exp OR 'meta analysis' OR (('evidence base' OR 'evidence based'/exp OR 'evidence based' OR