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effectivehealthcare.ahrq.gov/products/glaucoma/abstract
November 09, 2011 - for race/ethnicity groups, and sensitivity analyses. … will be submitted after patient enrollment is complete and will summarize the findings of the interim analyses … Report 3: Primary Analysis Report will be submitted after final study analyses are complete and will … Report 4: Secondary Analyses Report will be submitted after final study analyses are complete and will … summarize the findings of the secondary analyses.
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/ehc-presentation-quantitative-synthesis-learning-objectives-recommendations.pdf
July 01, 2019 - Outcome reporting bias: a pervasive problem in published meta-analyses. … Chapter 10: Analysing data and undertaking meta-analyses. … Measuring inconsistency in meta-analyses. BMJ. 2003;327(7414):557-60. … Chapter 10: Analysing data and undertaking meta-analyses. … How should meta‐ regression analyses be undertaken and interpreted?
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/methodological-recommendations-framework-communications_research.pdf
September 01, 2013 - , and decision or economic analyses. … The same resource levels apply to meta-analyses of mixed treatment comparisons
(network meta-analyses … Comprehensive Overview of Methods and
Reporting of Meta-Analyses of Test
Accuracy. … Arcsine test for publication bias in meta-
analyses with binary outcomes. … Does blinding of readers affect
the results of meta-analyses?
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/ehc-presentation-quantitative-synthesis-chapter-1.pdf
July 01, 2019 - Outcome reporting bias: a pervasive problem in published meta-analyses. … Chapter 10: Analysing data and undertaking meta-analyses. … Chapter 10: Analysing data and undertaking meta-analyses. … Outcome reporting bias: a pervasive problem in published meta-analyses. … Chapter 10: Analysing data and undertaking meta-analyses.
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/ehc-presentation-quantitative-synthesis-chapter-4.pdf
July 01, 2019 - Measuring inconsistency in meta-analyses. BMJ. 2003;327(7414):557-60. … Chapter 10: Analysing data and undertaking meta-analyses. … Measuring inconsistency in meta-analyses. BMJ. 2003;327(7414):557-60. … Chapter 10: Analysing data and undertaking meta-analyses. … How should meta‐ regression analyses be undertaken and interpreted?
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effectivehealthcare.ahrq.gov/health-topics/muscle-disorders
January 26, 2015 - Framework for Communicating Confidence in Methodological Recommendations for Systematic Reviews and Meta-Analyses
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effectivehealthcare.ahrq.gov/sites/default/files/ch_3-user-guide-to-ocer_130129.pdf
September 21, 2012 - Numerous subgroup analyses
were conducted, most of which indicated relatively
consistent effects of … Findings from such
unfocused, exploratory subgroup analyses should
be interpreted with caution even … Compared to confirmatory and
descriptive HTE analyses, exploratory analyses
enjoy more flexibility … - If confirmatory analyses, do power calculations. … Statistics in medicine – reporting of
subgroup analyses in clinical trials.
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effectivehealthcare.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.
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effectivehealthcare.ahrq.gov/sites/default/files/sensitivity-analysis-chapter-11.pptx
January 01, 2013 - This presentation will:
Propose and describe planned sensitivity analyses
Describe important subpopulations … When results of analyses are consistent or unchanged by testing variations on underlying assumptions, … When the results of analyses are consistent or unchanged by testing variations on underlying assumptions … Sensitivity analyses can allow the investigator to quantify the effect that an unmeasured confounding … Presentation of Sensitivity Analyses
Tabular
The classic approach to presenting sensitivity analyses
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effectivehealthcare.ahrq.gov/products/treatment-effects-bias/research
September 29, 2014 - We included meta-epidemiological studies (studies drawing from multiple meta-analyses), meta-analyses … Within many epidemiological studies, the included meta-analyses or trials varied along these dimensions … evaluating precision in meta-epidemiological studies developed from potentially heterogeneous meta-analyses … We suggest that systematic reviewers consider subgroup analyses, with and without studies with flaws
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effectivehealthcare.ahrq.gov/products/horizon-scan/research-2015
October 01, 2015 - Report of a Pilot Project: Rapid Cost Analyses of Selected Potential High-Impact Intervention Reports … 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
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effectivehealthcare.ahrq.gov/products/quantitative-synthesis-expanded-methods/methods
March 13, 2013 - The additional power may not be necessary for many meta-analyses. … Meta-analyses of the individual components should also be performed. … 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.
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effectivehealthcare.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.
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effectivehealthcare.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?
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effectivehealthcare.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.
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effectivehealthcare.ahrq.gov/products/grades-predictive-values/abstract
September 14, 2015 - Evolves From Single Trials to High-Quality Bodies of Evidence
We assembled a pool of published meta-analyses … Using cumulative meta-analyses, we graded the SOE of subsets of this evidence at different points in … Using a large sample of meta-analyses, the outcome of interest is the proportion of stable results over … Cochrane Branch (expected stability) and the proportion of stable summary effects from the sample of meta-analyses
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effectivehealthcare.ahrq.gov/sites/default/files/reporting-quiz.ppt
January 01, 2009 - The PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-analyses) Statement is a reporting … Guidelines
Reporting Guidelines
The PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-analyses … Empirical evidence exists for randomized trials, diagnostic studies, meta-analyses, and acupuncture interventions … The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health … in the presentations are taken from the PRISMA Statement for Reporting Systematic Reviews and Meta-Analyses
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effectivehealthcare.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.
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effectivehealthcare.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
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effectivehealthcare.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.