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Showing results for "statistical".

461. Version 2_Risk of Reinfection From SARS-CoV-2 -- An Update of an Antibody Response Following SARS-CoV-2 Infection and Implications for Immunity: A Living Rapid Review (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/version-2-risk-of-reinfection-from-SARSCoV2_0.pdf
     December 31, 2022 - across strata using Cochran’s Qb statistic.21 Analysis was performed using Stata version 16.1 (Stata Statistical … Statistical Analysis Each included study provided counts of reinfected individuals from the positive … Analysis was performed using Stata version 16.1 (Stata Statistical Software: Release 16; StataCorp LLC … Was appropriate statistical analysis used? 23 Table B-3. … Methods Deferred Key Questions Search Strategy Study Selection Data Abstraction Statistical

462. Disposition of Comments for CER 171 Noninvasive Testing for Coronary Artery Disease (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/coronary-artery-disease-testing_disposition-comments.pdf
     March 29, 2016 - Lit search and statistical methods are appropriate. Thank you for your comments. … Peer Reviewer 2 Methods The authors used appropriate statistical methods to synthesize the data. … effectiveness among different technologies using network meta-analysis and to test publication biases using statistical … The presence of statistical heterogeneity among the studies was assessed by using the standard Cochran … This statistical test describes the percentage of the variability in effect estimates that is due to

463. Disposition of Comments for CER 196 The Role of Immunotherapy in the Treatment of Asthma (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-196-disposition-comments-immunotherapy-asthma.pdf
     March 23, 2018 - The statistical methods are well described and appropriate. … Appropriate statistical methods were used. … It is further noted that the authors report statistical significance for what may be clinically insignificant … Also, it is recommended that the authors re-check reference 77, listed as showing statistical clinical … Therefore, the last sentence is misleading in its statement that there was no statistical difference

464. Machine Learning Methods in Systematic Reviews: Identifying Quality Improvement Intervention Evaluations (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/machine-learning-quality_research.pdf
     September 01, 2012 - We tested a number of statistical prediction algorithms and a number of strategies to identify the … The elements of statistical learning: data mining, inference, and prediction. … The Nature of statistical learning theory. New York: Springer-Verlag; 1995. … There were no statistical significant differences between the groups with respect to blood biochemical … The causes of improvement were investigated using the statistical treatment of several data available

465. Identification and Treatment of Post-Acute Coronary Syndrome (ACS) Depression: A Systematic Review (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/acs-depression-research-protocol-amended.pdf
     February 15, 2017 - therapy; CBT = cognitive behavioral therapy; DBT = dialectical behavior therapy; DSM = Diagnostic and Statistical … population, setting, approaches, and comparison groups; appropriate measurement of outcomes; appropriate statistical … graphical displays and test statistics (Q and I2 statistics), while recognizing that the ability of statistical … CDSR Cochrane Database of Systematic Reviews DBT Dialectical behavior therapy DSM Diagnostic and Statistical

466. Comparative Effectiveness Review Disposition of Comments Report: Anxiety in Children (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/disposition-of-comments-cer-192-anxiety-in-children.pdf
     August 31, 2017 - Please see attached for one question about statistical methods in terms of subgroup analyses. … multiple publications are treated as a single study in analysis to prevent participant overlap (basic statistical … by these decisions (e.g., is it possible that the heterogeneity within group methodologies lead to statistical … It is also unclear which methodological or statistical features would illustrate an exemplary member … Modern meta-analysis does not use factors (other than statistical factors) to weight studies.

467. 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 - In this situation, statistical significance of results was compared…”. … #6 Methods I wonder if the authors could provide rationale for “vote counting” (comparing statistical … For heterogeneity and clinical diversity, the following text was added: “We explored statistical heterogeneity … The statistical methods are also fully appropriate. Thank you for the comment. … evidence” is that it suggests that there is no evidence to draw ANY conclusion (too few studies, statistical

468. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/trauma-child-interventions_research-protocol.pdf
     March 26, 2012 - The Diagnostic and Statistical Manual of Mental Disorders, 4th Edition (hereafter DSM-IV) diagnosis … study with a low risk of bias has a strong design, measures outcomes appropriately, uses appropriate statistical … If we conduct quantitative syntheses, we will assess statistical heterogeneity in effects between studies … If we include any meta-analyses with considerable statistical heterogeneity in this report, we will … Diagnostic and statistical manual of mental disorders. 4th ed. Text rev.

469. Research Protocol: Improving Cultural Competence To Reduce Health Disparities for Priority Populations (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/cultural-competence_research-protocol.pdf
     July 09, 2014 - We will assess statistical heterogeneity with Cochran’s Q test and measure magnitude with I2 statistic … inconsistent, or unknown/not applicable (e.g., single study) based on the direction, magnitude, and statistical … through matching, stratification, interaction terms, multivariate analysis, or other statistical … Are the statistical methods used to assess the primary outcomes appropriate to the data? … Yes Statistical techniques used must be appropriate to the data.

470. Menopause-Protocol-130612 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/menopause-protocol-130612.pdf
     June 12, 2013 - The magnitude of statistical heterogeneity will be examined by using I2, acknowledging potential limitations52 … R: A Language and Environment for Statistical Computing. … Vienna, Austria: R Foundation for Statistical Computing; 2013. 42. Helfand M, Balshem H. … Journal of Statistical Software. 2010;36(3):1-48. 51. Hedges LV, Vevea JL. … accepted principles.62 Analyses will be performed using OpenBUGS.63 5/30/2012 IV E The magnitude of statistical

471. Layout 1 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cystic-fibrosis-hgh_executive.pdf
     October 01, 2010 - Statistical heterogeneity was addressed using the I2 statistic, which assesses the degree of inconsistency … 100 percent, with values of 25 percent, 50 percent, and 75 percent representing low, medium, and high statistical … Statistics were performed using StatsDirect statistical software, version 2.4.6 (StatsDirect Ltd., Cheshire … exercise tolerance were seen after rhGH therapy in patients with CF but in most cases do not reach statistical

472. Disposition of Comments CER 194 Intermittent Inhaled Corticosteroids and Long-Acting Muscarinic Antagonists for Asthma (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-194-disposition-comments-inhaled-corticosteroids.pdf
     March 19, 2018 - I will reserve the statistical review to statisticians but seem to be the standard for systemic reviews … Definitions of outcomes are well outlined and statistical methods appropriate. Thank you. … was on the sources of evidence-high, moderate, low and insufficient wasn t based on type of study, statistical … In addition, statistical evaluation of heterogeneity revealed no concerns for the analysis.

473. Disposition of Comments Report for Procalcitonin-Guides Antibiotic Therapy (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer78_procalcitonin_disposition_20121210.pdf
     October 05, 2012 - Degree of statistical heterogeneity is reported by the I2 PR (#6) statistic. … results section, quantitative synthesis was not adequately done and there is not much assessment of statistical … The Results chapter sections describing meta-analyses consistently note the degree of statistical heterogeneity … Whether a small between-group difference should be considered no difference depends on statistical power

474. Disposition of Comments Report for Intravascular Diagnostic Procedures and Imaging Techniques Versus Angiography Alone in Coronary Artery Stenting (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/coronary-artery-stenting_disposition-comments.pdf
     February 26, 2013 - Statistical tests for the meta-analyses appear appropriate using a random effects model of DerSimonian … and Laird, with inclusions of a estimate of statistical heterogeneity and sensitivity analyses. … Peer Reviewer 4 Methods Methods are robust, populations inclusive of the evidence at hand and the statistical … The statistical methods are sound. Thank you.

475. Disposition of Comments Report for Antiplatelet and Anticoagulant Treatments for Unstable Angina/Non-ST Elevation Myocardial Infarction (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/angina-heart-attack-treatments_disposition-comments.pdf
     January 01, 2014 - Use of clearly and rigidly defined methods and statistical rigor seem are the major advantage of a … The statistical methods appear sound. Thank you. TEP Member 1 Methods Methodology thorough. … I think the mention of nonsignificance implies a statistical analysis and this may be redundant. … In addition when there is no statistical difference there is usually a confidence interval around the … It could perhaps better take into account biological rationale and statistical consistency.

476. Crosscutting-Horizon-Scan-High-Impact-1412 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/crosscutting-horizon-scan-high-impact-1412.pdf
     December 01, 2014 - That undermines the statistical analysis of trial results and makes it difficult to determine the ‘

477. Nonpharmacological Versus Pharmacological Treatment for Patients With Major Depressive Disorder: Current State of the Evidence (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/major-depressive-disorder_clinician.pdf
     September 01, 2016 - Nonpharmacological Versus Pharmacological Treatment for Patients With Major Depressive Disorder: Current State of the Evidence Nonpharmacological Versus Pharmacological Treatment for Patients With Major Depressive Disorder: Current State of the Evidence Focus of This Summary This is a summary of a systematic revie…

478. DEcIDE 32: The Incident User Design in Comparative Effectiveness Research (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/incident-user-design_research.pdf
     May 01, 2012 - events for precise confidence intervals, but too few events for the number of covariables that require statistical … intervention depends on fluctuations in the natural history of patients’ condition, which generates statistical … Invited commentary: How far can epidemiologists get with statistical adjustment?

479. Nephropathy-Contrast-Induced Research-Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/nephropathy-contrast-induced_research-protocol.pdf
     October 01, 2013 - These plots are useful in the initial assessment of statistical heterogeneity. … A test for the presence of statistical heterogeneity, for example, Cochran’s Q test, as well as a measure … When statistical heterogeneity is attributable to one or two “outlier” studies, sensitivity analyses

480. S158 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/s158.pdf
     October 01, 2007 - Statistical Analysis With Missing Data. 2nd ed. New York, NY: John Wiley & Sons; 2002. 24.