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Showing results for "meta analysis".

4041. 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

4042. 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.

4043. 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.

4044. 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.

4045. Disposition of Comments Report for Pressure Ulcer Risk Assessment and Prevention (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/pressure-ulcer-prevention_disposition-comments.pdf
      May 08, 2013 - Because we did not perform meta-analysis, evidence synthesis and rating the body of evidence overlap … I am also not sure why meta- analysis was not attempted for some of the prevention devices (support … We did not perform meta-analysis because in our judgment there was substantial clinical heterogeneity … I do not understand why there is no meta analysis. … However, a meta-analysis was conducted combining these two studies with the three studies previously

4046. CER 217 Disposition of Comments: Management of Infertility (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-217-management-of-infertility-comments.pdf
      May 14, 2019 - Why does a fair quality meta analysis trump a well done PRT? … The meta analysis included the individual study (ref 124 from the draft report) and combined with … This is especially true as meta-analysis was not performed. … Why does a fair quality meta analysis trump a well done PRT? … The meta analysis included the individual study (ref 124 from the draft report) and combined with

4047. 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

4048. 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.

4049. Psn-Pdf (pdf file)
      psnet.ahrq.gov/node/860015/psn-pdf
      September 01, 2024 - Known risk factors for RSIs, according to a 2014 meta-analysis of three studies, include intraoperative … two-cases-retained-vaginal-packing-when-writing-order-not-enough https://psnet.ahrq.gov/issue/risk-factors-retained-surgical-items-meta-analysis-and-proposed-risk-stratification-system

4050. Post-Acute Transitional Services: Safety in Home-Based Care Programs | PSNet
      psnet.ahrq.gov/primer/post-acute-transitional-services-safety-home-based-care-programs
      April 24, 2024 - An older meta-analysis of 61 randomized control trials reported there was decreased mortality, lower … Additionally, a meta-analysis of hospital to home integrating a pharmacist into the model has been … Exploratory analysis of the relationship between home health agency engagement in a national campaign … for patients with chronic disease who present to the emergency department: a systematic review and meta-analysis … care program using root cause analysis and common cause analysis.

4051. Misdiagnosis of Small Bowel Obstruction in the Setting of Previous Abdominal Operations | PSNet
      psnet.ahrq.gov/web-mm/misdiagnosis-small-bowel-obstruction-setting-previous-abdominal-operations
      September 27, 2023 - For example, the authors of a 2008 meta-analysis found CT to be 91% sensitive and 90% specific for diagnosing … Case Analysis This case involved a patient presenting with high-risk abdominal pain. … Acute appendicitis: meta-analysis of diagnostic performance of CT and graded compression US related to … Diagnostic utility of CT for small bowel obstruction: systematic review and meta-analysis.

4052. Screening for Dementia - Recommendations and Rationale (pdf file)
      www.uspreventiveservicestaskforce.org/home/getfilebytoken/T-DyWdyD67ktDMJGDp3jpm
      June 01, 2003 - A meta-analysis that examined only the 4 highest quality RCTs found a small (approximately 3%) difference … scales between patients taking gingko biloba compared with placebo.34 A recent Cochrane review and meta-analysis … Cholinesterase inhibition for Alzheimer disease: a meta-analysis of the tacrine trials. … Efficacy and safety of nimodipine in subcortical vascular dementia: a subgroup analysis of the Scandinavian

4053. Medication Errors in Retail Pharmacies: Wrong Patient, Wrong Instructions. | PSNet
      psnet.ahrq.gov/web-mm/medication-errors-retail-pharmacies-wrong-patient-wrong-instructions
      March 19, 2019 - States, or four errors per day in a typical pharmacy filling 250 prescriptions daily. 4 A more recent meta-analysis … Systematic review and meta-analysis of community pharmacy error rates in the USA: 1993-2015. … September 23, 2020 Healthcare failure mode and effect analysis (HFMEA) as an effective … July 1, 2019 ISMP medication error report analysis.

4054. Implementing a Fall Prevention Program | PSNet
      psnet.ahrq.gov/perspective/implementing-fall-prevention-program
      November 29, 2023 - Falls in English and Welsh hospitals: a national observational study based on retrospective analysis … Design-related bias in hospital fall risk screening tool predictive accuracy evaluations: systematic review and meta-analysis … and fractures in hospitals and care homes and effect of cognitive impairment: systematic review and meta-analyses … Learning from preventable deaths: exploring case record reviewers' narratives using change analysis … April 5, 2013 Patient safety incidents in endoscopy: a human factors analysis of non-procedural

4055. Screening for Prostate Cancer: USPSTF Recommendation Statement (pdf file)
      www.uspreventiveservicestaskforce.org/home/getfilebytoken/vCzPVrVJfgFWfpWRdEHMKQ
      July 01, 2012 - Combining the results through meta-analysis may be inappropriate due to clinical and methodological differences … - analyses or did its own meta-analysis to reach its conclu- sions about the efficacy of PSA-based screening … inclusion requirements for the report, neither the authors of that review nor the USPSTF did a new meta-analysis … A recent meta-analysis of 8 random- ized, controlled trials in men with nonmetastatic high-risk prostate … Association of androgen deprivation therapy with cardiovascular death in patients with prostate cancer: a meta-analysis

4056. Evidence-based Practice Center Systematic Review Protocol (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/atrial-fibrillation-ablation_disposition-comments.pdf
      October 01, 2010 - We refer the investigators to the following citation: A survey of current problems in meta-analysis. … Discussion from the Agency for Health Care Policy and Research inter-PORT Work Group on Literature Review/Meta-Analysis … For illustration, we will summarize the results of a meta-analysis presented at the AHA 2008 meeting … The meta-analyzed single procedure success rate of RFA off AAD was 57% (95% CI 50%-64%), the multiple … Jais 2008 has been added to the analysis.

4057. Evidence-based Practice Center Systematic Review Protocol (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/treatment-resistant-depression_research-protocol.pdf
      December 09, 2009 - must be able to be abstracted from data presented in the papers (includes Systematic Reviews and Meta … A “poor” rating indicates significant bias (e.g., stemming from serious errors in design or analysis … studies of factors influencing the use of non-pharmacological treatments, we will consider quantitative 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.

4058. Pharmacologic and Nonpharmacologic Treatments of Post-Traumatic Stress Disorder (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/ptsd-protocol.pdf
      July 10, 2018 - Hand Searching: Reference lists of relevant, recent, high-quality systematic reviews or meta- analyses … Meta-analysis of dropout in treatments for posttraumatic stress disorder. … Technical Experts do not do analysis of any kind nor do they contribute to the writing of the report … Analysis type of primary PTSD outcome measure (ITT vs. completer) f. … Statistical analysis method for primary outcome* g. Results for other PTSD outcome measure h.

4059. Pharmacologic and Nonpharmacologic Treatments of Post-Traumatic Stress Disorder (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/ptsd-protocol.pdf
      July 10, 2018 - Hand Searching: Reference lists of relevant, recent, high-quality systematic reviews or meta- analyses … Meta-analysis of dropout in treatments for posttraumatic stress disorder. … Technical Experts do not do analysis of any kind nor do they contribute to the writing of the report … Analysis type of primary PTSD outcome measure (ITT vs. completer) f. … Statistical analysis method for primary outcome* g. Results for other PTSD outcome measure h.

4060. Psychosocial and Pharmacologic Interventions for Disruptive Behavior in Children and Adolescents (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/disruptive-behavior-disorders-protocol-amendment.pdf
      March 22, 2023 - When conducting meta-analyses, we will test for publication bias and for small study effects when there … The 2015 AHRQ review conducted a Bayesian network meta-analysis that included 28 studies. … If we find sufficient new studies, we will update that network meta-analysis for efficacy. … We do not anticipate being able to conduct a network meta-analysis on harms outcomes as it has been … Recommendations for examining and interpreting funnel plot asymmetry in meta-analyses of randomised