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Showing results for "meta analysis".

841. Disposition of Comments for Treatments for Seasonal Allergic Rhinitis (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/allergy-seasonal_disposition-comments.pdf
     July 17, 2013 - #6 Methods Page 21, line 20-23 + page 54, lines 46-48 “Quantitative pooling of results (meta-analysis … I wonder if the Authors could clarify what criteria determined whether meta-analysis was possible or … the authors could provide rationale for “vote counting” (comparing statistical significance) when meta-analysis … , sensitivity analysis, and meta-regression if possible.” … Leukotriene receptor antagonists for allergic rhinitis: a systematic review and meta-analysis.

842. C-Diff-Infections-Surveillance-140925 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/c-diff-infections-surveillance-140925.pdf
     January 01, 2014 - Twenty-five of these studies were comparative diagnostic trials, and one was a meta-analysis of comparative … A meta-analysis of 19 studies5 found that PCR (all variants) has a high sensitivity and specificity … Cycle 1 (October 2012) One meta-analysis of two recently completed phase three trials55 showed that … Fidaxomicin versus vancomycin for Clostridium difficile infection: meta- analysis of pivotal randomized … Crook8 2012 Meta-analysis of 2 phase three RCCT n = 1164 -Fiadxomicin 200 mg twice daily for 10

843. Data Points 13: Use of Preoperative Breast MRI among older women with ductal carcinoma in situ and locally invasive breast cancer (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/dcis-mri-utilization_research.pdf
     August 01, 2012 - Women who were diagnosed in Louisiana in 2005 were also excluded from this analysis because of the … MRI used in diag- nostic evaluation is excluded from this analysis. … A meta-analysis of 19 studies (2,610 patients) published by Houssami, et al., determined that MRI detected … and surgical impact of magnetic resonance imaging in breast cancer staging: systematic review and meta-analysis … screening of the contralateral breast in women with newly diagnosed breast cancer: systematic review and meta-analysis

844. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/patient-safety-practices_research-protocol.pdf
     November 09, 2011 - November 9, 2011 Evidence-based Practice Center Systematic Review Protocol Project Title: Critical Analysis … Background and Objectives for the Systematic Review The critical systematic review and analysis of … The analysis will assess the evidence of the effectiveness of new safe practices and the adoption of … restraints  Diagnostic errors – meta cognition, computerized decision support  Protocols for notification … on the effectiveness of intervention and implementation  Data synthesis will be narrative or meta-analytic

845. hemorrhage-postpartum-protocol-140611 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/hemorrhage-postpartum_research-protocol.pdf
     June 11, 2014 - If meta-analysis is done, then studies with an N smaller than 42 could be combined. … that some studies may be included for initial consideration and later found not to be useable in a meta-analysis … results We anticipate variations in the populations and interventions studied that may preclude meta-analysis … Identifying regional variation in the prevalence of postpartum haemorrhage: a systematic review and meta-analysis … Misoprostol to prevent and treat postpartum haemorrhage: a systematic review and meta-analysis of maternal

846. Renal-Artery-Stenosis Surveillance (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/renal-artery-stenosis_surveillance.pdf
     June 01, 2012 - CERs with no meta-analysis were examined for qualitative signals only. … For any CER that contains meta-analysis(es), we first assess for the qualitative signal(s), and if no … These signals, except for one (A7), specify findings from a pivotal trial, meta-analysis (with at least … ., to new subgroups of subjects) – A5 • Clinically important caveat – A6 • Opposing findings from meta-analysis … (in relation to a meta-analysis in the original CER) or non-pivotal trial – A7 * Please

847. Noninvasive Treatments for Low Back Pain (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/back-pain-treatment_research_executive.pdf
     February 01, 2016 - We did not conduct updated meta-analysis with new studies. … The effect of antidepressant treatment on chronic back pain: a meta-analysis. … Sling exercise for chronic low back pain: a systematic review and meta-analysis. … Walking exercise for chronic musculoskeletal pain: systematic review and meta-analysis. … Effectiveness of self-management of low back pain: systematic review with meta- analysis.

848. Evidence-based Practice Center Systematic Review Protocol: Prehospital Airway Management (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/prehospital-airway-management-protocol.pdf
     December 20, 2019 - They have a serious or “fatal” flaw (or combination of flaws) in design, analysis, or reporting; large … Meta-analyses will be conducted using a random effects model. … If warranted, we will conduct sensitivity analyses by repeating meta-analyses with and without selected … Technical Experts do not do analysis of any kind nor do they contribute to the writing of the report … (comment or editorial or meta-analysis or practice-guideline or review or letter).pt. 25. (21 or 22

849. Maternal and Fetal Effects of Mental Health Treatments in Pregnant and Breastfeeding Women: A Systematic Review of Pharmacological Interventions (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/protocol-pharm-pregnant-women_0.pdf
     December 05, 2018 - (i.e., meta-analysis) of the data from those studies. … We will also consider conducting network meta-analysis using Bayesian methods to compare the interventions … under consideration following established guidance.44 If we conduct quantitative syntheses (i.e., meta-analysis … The effects of postpartum depression on maternal-infant interaction: A meta- analysis. … reuptake inhibitor (SSRI) use during pregnancy and risk of preterm birth: a systematic review and meta-analysis

850. Disposition of Comments Report for Comparative Effectiveness Review No. 131 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/crohns-disease_disposition-comments.pdf
     February 25, 2014 - Agreed, this is distracting so we removed the 5-ASA meta- analysis, especially given that the largest … study in the meta-analysis was for olsalazine, which is not used in practice Peer Reviewer-1 Results … Additionally, we were not able to perform a meta-analysis at the later time points because of design … See meta-analysis by Kandiel for association of thiopurine therapy for IBD with lymphoma. … We have removed the pooled relative risk from the Key Points and removed the meta-analysis.

851. Heart-Failure-Transition-Care Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/heart-failure-transition-care_executive.pdf
     May 01, 2014 - An analysis of Medicare claims data for 2007–09 reported that 35.2 percent of readmissions within 30 … To address these issues, we conducted a systematic review and meta- analysis of investigations of transitional … When we combined multiple scales in one meta-analysis, we used the standardized mean difference, Cohen … Future research could also include methods such as meta-analysis of individual patient data to ascertain … Quantifying heterogeneity in a meta- analysis. Stat Med. 2002 Jun 15;21(11):1539-58.

852. Implementation of Recommended Screening and Counseling Interventions to Prevent Mental Health Disorders in Children and Adolescents (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/screening-counseling-interventions-protocol.pdf
     October 01, 2023 - If we find three or more similar RCTs addressing an outcome of interest, we will consider meta- analysis … For all meta-analyses, we will use random effects models to estimate pooled effects. … To leverage the expected heterogeneity, we will use the Qualitative Comparative Analysis (QCA) to identify … Identification of preschool children with mental health problems in primary care: systematic review and meta-analysis … Technical Experts do not perform analysis of any kind; neither do they contribute to the writing of

853. Disposition of Comments Report for Comparative Effectiveness Review #68 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/nppv-respiratory-failure_disposition-comments.pdf
     July 01, 2012 - As an example, cumulative meta-analyses of thrombolysis for MI have shown a consistent benefit over … pre-selected prognostic variables, and (5) any within trial baseline differences are even less important in a meta-analysis … COPD, pulmonary edema, etc) either in a trial-level meta-regression or a stratified analysis? … - analysis. … The study by Agarwal is a meta-analysis, and its bibliography was reviewed for relevant citations.

854. Disposition of Comments for Treatment Strategies for Patients With Peripheral Artery Disease (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/peripheral-artery-disease-treatment_disposition-comments.pdf
     May 29, 2013 - heterogeneous, the authors may consider referring to them as systematic reviews as opposed to true meta-analytic … Somewhat surprisingly, the authors do not include meta-analyses of the genetic impact upon clopidogrel … All these studies were observational cohorts and could not be combined with the RCTs in the network meta-analysis … walking distance (figure D) the conclusion that cilostazol had no benefit is counter to the published meta … Again, statements, such as, “Meta-analysis of endovascular versus surgical revascularization studies

855. Living Systematic Review on Plant-Based Treatment for Chronic Pain (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/plant-based-treatments-revised-protocol.pdf
     March 29, 2023 - Data will be qualitatively summarized in tables, using ranges and descriptive analysis and interpretation … cannabinoids for the treatment of people with chronic noncancer pain conditions: a systematic review and meta-analysis … Cannabinoids for Medical Use: A Systematic Review and Meta-analysis. … Statistical methods for updating meta-analyses. … Technical Experts do not do analysis of any kind nor do they contribute to the writing of the report

856. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/sleep-apnea_research-protocol.pdf
     March 15, 2010 - require input from domain experts to assess whether studies are too clinically heterogeneous for a meta-analysis … We will perform only random effects model meta-analyses. … We will not attempt any meta-regression of these studies. … If data are available, we will consider sub-group meta-analyses based on the findings of these studies … The TEP does not do analysis of any kind nor contribute to the writing of the report. X.

857. Layout 1 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/high-cholestorol-medications_executive.pdf
     September 01, 2009 - The DerSimonian and Laird approach was used for all meta-analyses, except for rare events (less than … Substantial heterogeneity precluded statistical analysis of 18 statin-ezetimibe and 4 statin-BAS trials … statin-ezetimibe combination therapy were noted in all 10 trials, with substantial heterogeneity precluding meta-analysis … Meta-analysis of two statin-fibrate trials demonstrated no significant difference between treatments … All trials must clearly report adequate allocation concealment and intention-to-treat analysis.

858. A Systematic Review of Postpartum Home Blood Pressure Monitoring, Postpartum Treatment of Hypertensive Disorders of Pregnancy, and Peripartum Magnesium Sulfate Regimens for Preeclampsia With Severe Features (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/product/pdf/hypertensive-disorders-pregnancy-protocol-amendment.pdf
     April 20, 2022 - evaluate studies that directly compare alternative regimens but will also attempt to conduct network meta-analysis … citations of 0.40 (this threshold is based on experience with several dozen screening projects and an analysis … groups) and relevant concepts addressed for RCTs (i.e., related to missing data, outcome measurement, analysis … Technical Experts provide further input to finalize the KQs, study eligibility criteria, and analysis … Technical Experts do not do analysis of any kind; neither do they contribute to the writing of the report

859. Evidence-Summary-CER-206-Sodium-And-Potassium-Intake-Effects-On-Chronic-Disease-Outcomes-And-Risk (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-206-evidence-summary-sodium-potassium.pdf
     June 01, 2018 - outcomes reported no effect on all-cause mortality.15 Graudal and colleagues (2014) conducted a meta-analysis … Effect of lower sodium intake on health: systematic review and meta-analyses. … Effect of lower sodium intake on health: systematic review and meta-analyses. … Blood pressure lowering for prevention of cardiovascular disease and death: a systematic review and meta-analysis … with usual sodium intake, low- and excessive-sodium diets are associated with increased mortality: a meta-analysis

860. Untitled (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/aggression_research-protocol.pdf
     October 05, 2015 - Systematic reviews, with or without meta-analyses •! … studies for a comparison of interest), we will augment findings with quantitative analyses (i.e., meta-analysis … If we conduct quantitative syntheses (i.e., meta-analysis), we will assess statistical heterogeneity … We will also examine potential sources of heterogeneity using sensitivity analysis or analysis of subgroups … Technical Experts do not do analysis of any kind nor do they contribute to the writing of the report