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Showing results for "meta analysis".

4001. Liver-Cancer Research-Protocol (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/liver-cancer_research-protocol.pdf
      July 24, 2013 - In order to determine whether meta-analysis could be meaningfully performed, we will consider the quality … We will conduct sensitivity analyses or meta-regression as needed. … When quantitative analysis cannot be performed, the data will be summarized qualitatively in summary … accuracy and clinical and patient-centered outcomes often entail different statistical techniques in meta-analysis … , and a statistician expert in quantitative synthesis will determine specific meta-analytic methods

4002. Evidence-based Practice Center Systematic Review Protocol (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/cesarean-birth-2010_research-protocol.pdf
      January 01, 2010 - Numerous meta-analyses and systematic reviews (particularly Cochrane Collaboration products) exist … We will use additional searches of the reference lists of existing systematic reviews or meta- analyses … Data from studies that are considered to be fair or good will be included in the analysis. … Poor studies will be identified but not included in the data analysis for the relevant KQ. … consultation, we will determine if the data are appropriate to conduct quantitative syntheses such as meta

4003. Evidence-based Practice Center Systematic Review Protocol (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/rotator-cuff-tear_disposition-comments.pdf
      October 05, 2010 - Online: October 5, 2010 4 Methods Since there are limited head to head trials, perhaps network meta … analysis can be utilized to answer some of the questions or clarify some of the issues. ] We were … unable to conduct network meta-analyses in this review. … The questions they addressed in their analysis are the most clinically relevant and their suggestions … General This meta analysis was very strict and selective in the literature included, eliminating all

4004. Multiple Missed Opportunities for Suicide Risk Assessment in Emergency and Primary Care Settings | PSNet
      psnet.ahrq.gov/web-mm/multiple-missed-opportunities-suicide-risk-assessment-emergency-and-primary-care-settings
      May 26, 2021 - A recent meta-analysis examining the sensitivity of inquiring about suicidal thoughts showed that the … non-psychiatric settings (e.g., general medical practices), the sensitivity was only 22%. 4 Another meta-analysis … An analysis of > 200,000 PHQ-9s showed that a positive screen on question #9 was associated with an … Diagnostic error in medicine: analysis of 583 physician-reported errors. … Association between suicidal ideation and suicide: meta-analyses of odds ratios, sensitivity, specificity

4005. Archived: Final Evidence Review: Syphilis Infection: Screening | United States Preventive Services Taskforce
      www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-review93/syphilis-infection-screening-2004
      July 15, 2004 - and yr=2002-2003) (370) 5   limit 4 to (clinical trial or controlled clinical trial or guideline or meta … analysis or multicenter study or practice guideline or randomized controlled trial or review) (54) 6 … and yr=2002-2003) (370) 5   limit 4 to (clinical trial or controlled clinical trial or guideline or meta … analysis or multicenter study or practice guideline or randomized controlled trial or review) (54) 6 … English language and all infant and yr=1996-2002 and (clinical trial or guideline or meta

4006. Screening for Syphilis: A Brief Update (pdf file)
      www.uspreventiveservicestaskforce.org/USPSTF_Admin/Home/GetFile/1/996/syphilup/pdf
      July 01, 2004 - A retrospective cohort analysis evaluated how placental pathology may contribute to the diagnosis of … and yr=2002–2003) (370) 5 limit 4 to (clinical trial or controlled clinical trial or guideline or meta … analysis or multicenter study or practice guideline or randomized controlled trial or review) (54) … and yr=2002–2003) (370) 5 limit 4 to (clinical trial or controlled clinical trial or guideline or meta … English language and all infant and yr=1996–2002 and (clinical trial or guideline or meta

4007. Screening for Syphilis: A Brief Update (pdf file)
      www.uspreventiveservicestaskforce.org/home/getfilebytoken/8L5g-QzXLDnUofBUE457DN
      July 01, 2004 - A retrospective cohort analysis evaluated how placental pathology may contribute to the diagnosis of … and yr=2002–2003) (370) 5 limit 4 to (clinical trial or controlled clinical trial or guideline or meta … analysis or multicenter study or practice guideline or randomized controlled trial or review) (54) … and yr=2002–2003) (370) 5 limit 4 to (clinical trial or controlled clinical trial or guideline or meta … English language and all infant and yr=1996–2002 and (clinical trial or guideline or meta

4008. Final Progress Report: Assessing Barriers to ADA Guideline Adherence (pdf file)
      www.ahrq.gov/sites/default/files/2024-03/kaminski-report.pdf
      January 01, 2024 - Cabana et al (1999) performed a comprehensive meta-analysis based upon a review of the literature … Thirteen items, based upon a meta-analysis of research into barriers as suggested by Cabana et al ( … Three sets of data analysis were conducted. … This study was designed to develop a method to measure multiple perceived barriers, based upon a meta-analysis … Participants and their responses did not upon analysis demonstrate internal consistency.

4009. Healthcare Spending Higher Among Adults Who Had Adverse Childhood Experiences | Agency for Healthcare Research and Quality
      www.ahrq.gov/news/newsletters/e-newsletter/926.html
      August 01, 2024 - Hospital rating organizations' quality and patient safety scores: analysis of result discrepancies . … Medication errors in emergency departments: a systematic review and meta-analysis of prevalence and severity

4010. Evidence Report on the (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/vte-protocol-8-4-10.pdf
      February 01, 2008 - A manual search of references of clinical trials, meta-analysis, and systematic reviews will be conducted … We will conduct meta-analyses when 2 or more studies adequate for pooling are available for any outcome … will be conducted to assess the effect of heterogeneity (both clinical and methodological) on our meta-analysis … For example, when a meta-analysis is performed, we will evaluate the confidence interval around the … Meta-Analysis in clinical trials. Controlled Clin Trials. 1986 ;7 :177-188. 10.

4011. Evidence Report on the (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/blood-clots-hip-knee-surgery_research-protocol.pdf
      February 01, 2008 - A manual search of references of clinical trials, meta-analysis, and systematic reviews will be conducted … We will conduct meta-analyses when 2 or more studies adequate for pooling are available for any outcome … will be conducted to assess the effect of heterogeneity (both clinical and methodological) on our meta-analysis … For example, when a meta-analysis is performed, we will evaluate the confidence interval around the … Meta-Analysis in clinical trials. Controlled Clin Trials. 1986 ;7 :177-188. 10.

4012. Aspirin Use to Prevent Cardiovascular Disease and Colorectal Cancer: Updated Modeling Study for the USPSTF (pdf file)
      www.uspreventiveservicestaskforce.org/home/getfilebytoken/MLeu_yFpPwzcZwKG6fw5ZY
      April 26, 2022 - in the sensitivity analysis. … Associations between aspirin use and the risk of cancers: a meta-analysis of observational studies. … Aspirin and the risk of colorectal and other digestive tract cancers: an updated meta-analysis through … Systematic review and meta-analysis of randomised trials to ascertain fatal gastrointestinal bleeding … Low doses of acetylsalicylic acid increase risk of gastrointestinal bleeding in a meta-analysis.

4013. Abnormal-Uterine-Bleeding Research-Protocol (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/abnormal-uterine-bleeding_research-protocol.pdf
      November 21, 2011 - We will employ additional searches of the reference lists of related systematic reviews and meta-analyses … Synthesis: We do not plan to conduct quantitative syntheses (i.e., meta- analyses). … 13 similar populations with outcomes that can be aligned, we will reconsider the utility of a meta-analysis … as potential challenges to investigators conducting a systematic review of harms data. 43 As a meta-analysis … Chinese Herbal Medicine for Dysfunctional Uterine Bleeding: a Meta- analysis.

4014. Methods-Guidance-Applicability Methods (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-applicability_methods.pdf
      January 01, 2011 - • Meta-regression, sub-group analysis and/or separate applicability summary tables may help reviewers … such as a subgroup analysis or meta-regression. … We caution that meta- regression or other comparisons based on group level characteristics, such as the … proportion of women in each trial, can be prone to bias (the “ecological fallacy”).37 Meta-analysis … Meta- analysis of individual participant data: rationale, conduct, and reporting.

4015. Methods Guide Atkins (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/methods_guide_atkins.pdf
      January 01, 2011 - • Meta-regression, sub-group analysis and/or separate applicability summary tables may help reviewers … such as a subgroup analysis or meta-regression. … We caution that meta- regression or other comparisons based on group level characteristics, such as the … proportion of women in each trial, can be prone to bias (the “ecological fallacy”).37 Meta-analysis … Meta- analysis of individual participant data: rationale, conduct, and reporting.

4016. SOPS Bibliography | Agency for Healthcare Research and Quality
      www.ahrq.gov/sops/bibliography/index.html?page=2
      January 01, 2025 - Perceptions of pediatric hospital safety culture in the United States: An analysis of the 2016 Hospital … Psychometric analysis of a Survey on Patient Safety Culture-based tool for emergency medical services … association between health care staff engagement and patient safety outcomes: A systematic review and meta-analysis … Involvement in root cause analysis and patient safety culture among hospital care providers. … Multilevel analysis of individual, organizational, and regional factors associated with patient safety

4017. SOPS Bibliography | Agency for Healthcare Research and Quality
      www.ahrq.gov/es/sops/bibliography/index.html?page=2
      January 01, 2025 - Perceptions of pediatric hospital safety culture in the United States: An analysis of the 2016 Hospital … Psychometric analysis of a Survey on Patient Safety Culture-based tool for emergency medical services … association between health care staff engagement and patient safety outcomes: A systematic review and meta-analysis … Involvement in root cause analysis and patient safety culture among hospital care providers. … Multilevel analysis of individual, organizational, and regional factors associated with patient safety

4018. EHC Protocol - Allocation of Scarce Resources During Pandemics: Strategies for Policy Makers: A Rapid Evidence Review (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/scarce-resources-protocol.pdf
      January 01, 2013 - We will not employ meta-analysis or formal strength of evidence assessment given the diversity of the … Analysis of subgroups or subsets: COVID studies are a pre-specified subgroup for this update.

4019. Archived: Final Evidence Summary: Colorectal Cancer: Screening | United States Preventive Services Taskforce
      www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary4/colorectal-cancer-screening-2008
      October 15, 2008 - SAS Code for the Meta-Analysis of Serious Complications Appendix Table 4. … Meta-analysis: computed tomographic colonography. Ann Intern Med 2005;142:635-50. … Quantifying heterogeneity in a meta-analysis. Stat Med 2002;21:1539-58. … A multilevel model framework for meta-analysis of clinical trials with binary outcomes. … The binomial distribution of meta-analysis was preferred to model within-study variability.

4020. Fiber Intake and Laxation Outcomes (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/fiber-intake-protocol.pdf
      August 15, 2023 - citations of 0.40 (this threshold is based on experience with several dozen screening projects and an analysis … Where appropriate and feasible, we will conduct random-effects meta-analyses if at least three studies … The goal of the meta-analyses will be to determine fiber intake thresholds above which laxation outcomes … evaluated laxation outcomes will be considered to be “prioritized”, and thus will be included in SoE analysis … Technical Experts do not do analysis of any kind nor do they contribute to the writing of the report