Results

Total Results: 1,264 records

Showing results for "samples".

81. Future Research Needs for First- and Second-Generation Antipsychotics for Children and Young Adults (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/antipsychotics-children-future_research.pdf
    February 01, 2012 - and many of the research questions (e.g., between-drug effectiveness comparisons) may require large samples … would require about 29 people per group (the sample size listed for an effect size of 0.75 and two samples … comparisons of means14 (two-tailed test, α=.05, power=.80) Effect Size One Sample (Paired) Two Samples … that difference would require a much larger sample size, approximately 393 per group (ES, 0.20, two samples … Inference for proportions: comparing two independent samples [Computer software].

82. Disposition of Comments Report for Testing of CYP2C19 Variants and Platelet Reactivity for Guiding Antiplatelet Treatment (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/antiplatelet-treatment_disposition-comments.pdf
    September 25, 2013 - It is not clear why collection of samples at baseline in a cohort study would introduce “null bias”. … If anything, exposure ascertainment using samples obtained at baseline is the preferred approach. … Citrated whole blood samples for measurement by LTA are prepared by first centrifuging the sample to … Direct, unprocessed citrated whole blood samples are spiked onto a needle in the sample port of the … We note that studies describing analytic performance using blood samples from healthy normal donors

83. Methods Research Report: Creating Efficiencies in the Extraction of Data From Randomized Trials (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-report-creating-efficiencies-extraction-data.pdf
    August 01, 2021 - Methods Research Report: Creating Efficiencies in the Extraction of Data From Randomized Trials Methods Research Report Creating Efficiencies in the Extraction of Data From Randomized Trials: A Prospective Evaluation of a Machine Learning and Text Mining Tool Methods Research Report Creating Efficie…

84. Case Study Comparing Bayesian and Frequentist Approaches for Multiple Treatment Comparisons (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/indirect-comparisons_research.pdf
    March 01, 2013 - reviews, meta- analysis, and synthesis in general are that the circumstances of each study and the samples … studies investigating the drug, and the thickness of each edge corresponds to the total number of samples … physicians in providing clinical understanding. 35 using 10000 Markov chain Monte Carlo (MCMC) samples … trace plots, we decided to use only a single MCMC chain, run for 5000 burn-in and 10000 production samples … number of studies investigating the drug, and the thickness of each edge implies the total number of samples

85. Methods Guide for Medical Test Reviews (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-bias_methods.pdf
    July 01, 2012 - Systematic Bias Description Population Spectrum effect Tests may perform differently in various samples

86. Research White Paper Patient- or Participant-Generated Registries Addendum Registries for Evaluating Patient Outcomes Third Edition (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/wysiwyg/patient-participant-generated-registries-guide-3rd-ed-addendum-white-paper.pdf
    February 01, 2018 - health records, both paper and electronic, clinical visits, and, in some cases, collect biological samples … over registry data or biospecimens to advocacy organizations to act as the stewards of these data and samples … At the present time it contains more than 30,000 samples of a variety of tissue types from DNA to cell … confidentiality (see section “Participant Privacy and Confidentiality”), ownership of data and any tissue samples

87. Slide 1
    effectivehealthcare.ahrq.gov/sites/default/files/study-design-considerations-chapter-2.pptx
    January 01, 2013 - Identifies all incident cases that develop an outcome and compares exposure history to controls Samples

88. Pharmacologic and Nonpharmacologic Treatments for Posttraumatic Stress Disorder: 2023 Update of the Evidence Base for the PTSD Trials Standardized Data Repository (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/pharma-nonpharma-ptsd-2023-update-executive-summ.pdf
    January 01, 2023 - Pharmacologic and Nonpharmacologic Treatments for Posttraumatic Stress Disorder: 2023 Update of the Evidence Base for the PTSD Trials Standardized Data Repository Systematic Review Pharmacologic and Nonpharmacologic Treatments for Posttraumatic Stress Disorder: 2023 Update of the Evidence Base for the PTSD …

89. Executive Summary_Pharmacologic and Nonpharmacologic Treatments for Posttraumatic Stress Disorder: 2024 Update of the Evidence Base for the PTSD Trials Standardized Data Repository (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/ptsd-5-final-report-update-2024-executive-summ.pdf
    January 01, 2024 - Executive Summary_Pharmacologic and Nonpharmacologic Treatments for Posttraumatic Stress Disorder: 2024 Update of the Evidence Base for the PTSD Trials Standardized Data Repository Systematic Review Pharmacologic and Nonpharmacologic Treatments for Posttraumatic Stress Disorder: 2024 Update of the Evidence …

90. Slide 1
    effectivehealthcare.ahrq.gov/sites/default/files/study-size-planning-chapter-9.pptx
    January 01, 2013 - Slide 1 Study Size Planning for Observational Comparative Effectiveness Research Prepared for: Agency for Healthcare Research and Quality (AHRQ) www.ahrq.gov Study Size Planning for Observational Comparative Effectiveness Research This slide set is based on a user guide titled Developing a Protocol for Observation…

91. Defining an Optimal Format for Presenting Research Needs (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-future-presentation-format_research.pdf
    January 01, 2019 - Auxiliary material was available, including samples of statements describing future research needs … management decisions: past, present, and future 2004 Risk Anal 15356229 Forecasting the number of soil samples

92. App-E-Opioid-Chronic-Pain-Surveillance-Report-2 (xls file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/app-e-opioid-chronic-pain-surveillance-report-2.xlsx
    January 01, 2021 - Table E-1. RCT QA Table E-1. RCT quality assessment Author, Year Randomization Adequate? Allocation Concealment Adequate? Groups Similar at Baseline? Outcome Assessors Masked? Care Provider Masked? Patient Masked? Intention-To-Treat (ITT) Analysis Acceptable Levels of Overall Attrition and Between-Group Differences…

93. App-E-Opioid-Chronic-Pain-Surveill-Report-1 (xls file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/app-e-opioid-chronic-pain-surveill-report-1.xlsx
    January 01, 2021 - Table E-1. RCT QA Table E-1. RCT quality assessment Author, Year Randomization Adequate? Allocation Concealment Adequate? Groups Similar at Baseline? Outcome Assessors Masked? Care Provider Masked? Patient Masked? Intention-to-Treat (ITT) Analysis Acceptable Levels of Overall Attrition and Between-Group Differences…

94. Quantitative Synthesis: Chapter 2. Presenting Different Effects for Different Data Types (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/ehc-presentation-quantitative-synthesis-chapter-2.pdf
    February 01, 2018 - Quantitative Synthesis: Chapter 2. Presenting Different Effects for Different Data Types Quantitative Synthesis Chapter 2. Presenting Different Effects for Different Data Types Prepared for: The Agency for Healthcare Research and Quality (AHRQ) Training Modules for Systematic Reviews Methods Guide www.ahrq.gov …

95. Lumbar-Fusion-Draft-Report-Appendix-E (xls file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/lumbar-fusion-draft-report-appendix-e.xlsx
    January 01, 2023 - Title Appendix E. Risk of Bias Assessments Table E-1. RCTs - Risk of Bias Table E-1. Risk of bias assessments for randomized controlled trials (RCTs) evaluating fusion procedures for degenerative spondylolisthesis (Key Questions [KQs] 1-4) and nonsurgical/select interventions for chronic low…

96. The Effect of Protein Intake on Health (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/effect-protein-intake-protocol-amendment.pdf
    November 29, 2023 - The Effect of Protein Intake on Health Evidence-based Practice Center Systematic Review Protocol Project Title: The Effect of Protein Intake on Health Publication Date: June 2, 2023 Amendment Date(s): November 17, 2023, November 28, 2023, November 29, 2023 (Amendments Details–see Section VI) I. Ba…

97. PowerPoint Presentation (ppt file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/medical-test-reviews-frameworks.ppt
    June 01, 2012 - PowerPoint Presentation Developing the Topic and Structuring Systematic Reviews of Medical Tests: Utility of PICOTS, Analytic Frameworks, Decision Trees, and Other Frameworks Prepared for: The Agency for Healthcare Research and Quality (AHRQ) Training Modules for Medical Test Reviews Methods Guide www.ahrq.gov De…

98. PowerPoint Presentation (ppt file)
    effectivehealthcare.ahrq.gov/sites/default/files/medical-test-reviews-frameworks.ppt
    June 01, 2012 - PowerPoint Presentation Developing the Topic and Structuring Systematic Reviews of Medical Tests: Utility of PICOTS, Analytic Frameworks, Decision Trees, and Other Frameworks Prepared for: The Agency for Healthcare Research and Quality (AHRQ) Training Modules for Medical Test Reviews Methods Guide www.ahrq.gov De…

99. Ch 2-User-Guide-To-Ocer 130129 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/ch_2-user-guide-to-ocer_130129.pdf
    January 01, 2011 - 21 Abstract The choice of study design often has profound consequences for the causal interpretation of study results. The objective of this chapter is to provide an overview of various study design options for nonexperimental comparative effectiveness research (CER), with their relative advantages and limitations,…

100. Research White Paper Managing Missing Data in Patient Registries Addendum Registries for Evaluating Patient Outcomes Third Edition (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/wysiwyg/missing-data-registries-guide-3rd-ed-addendum-white-paper.pdf
     February 01, 2018 - For example, some participants may have missing laboratory values because a batch of lab samples was … Additionally, while randomized clinical trials (RCTs) often limit their samples to a narrow and often