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Total Results: 1,264 records

Showing results for "sample".

341. Methods Guide for Comparative Effectiveness Reviews - Expanded Guidance on Selected Quantitative Synthesis Topics (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/quantitative-synthesis-expanded-methods_methods.pdf
     March 01, 2013 - Although the use of a composite outcome as the primary outcome in a clinical trial can reduce sample … In meta-analysis, sample size is less of a concern than in clinical trials, and thus the motivation … Clinical Trials Composite outcomes can improve statistical efficiency, increasing power for a given sample … Recommendations Descriptive study information Include information for each study describing the sample … present tables or a graphical representation of the data (forest plot) including: The comparison type, sample

342. autism-update-protocol-130920 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/autism-update_research-protocol.pdf
     September 20, 2013 - After reviewing a sample of relevant articles, the team will assess the data-collection forms from the … publication, study location (e.g., country, city, state) and time period, population description, sample … will use established concepts of the quantity of evidence (e.g., numbers of studies, aggregate ending-sample … Complementary and alternative medicine use in a large pediatric autism sample. … A sample table is shown below: Date Section Original Protocol Revised Protocol Rationale This should

343. Misuse of Prescription Stimulants in Adults (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/misuse-prescription-protocol.pdf
     September 13, 2024 - Forms will be pilot tested with a sample of included articles to ensure that all relevant data elements

344. Making Healthcare Safer IV_Rapid Review: Use of Structured Handoff Protocols for Intrahospital Within-Unit Transitions (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/structured-handoff-rapid-research.pdf
     January 01, 2025 - All titles and abstracts with lower predicted probability were rejected, but a 10 percent sample was … pre-post studies all scored well using the modified NIH Tool (except for 2 studies with very small sample … both pediatric and adult 32 hospitals 20 academic 12 communit y For clinical outcomes the sample … Was the sample size sufficiently large to provide confidence in the findings? … Was the sample size sufficiently large to provide confidence in the findings?

345. Menopause Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/menopause_executive.pdf
     March 01, 2015 - trials may have not given the agent to women without a uterus yet reported an effect for the entire sample

346. Evidence Summary Comparative Effectiveness Review No. 250: Living Systematic Review on Cannabis and Other Plant-Based Treatments for Chronic Pain (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-250-cannabis-other-plant-based-treatments-evidence-summary_0.pdf
     October 01, 2021 - relate to the limited ability to provide strong, reliable, estimates of effect due to: 1) inadequate sample … Important limitations include small sample sizes, lack of evidence for moderate and long-term use, and

347. Interventions for Breathlessness in Patients With Advanced Cancer: Evidence Summary (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/dyspnea-advanced-cancer-summary-1.pdf
     November 01, 2020 - However, sample sizes were small, followup was short term, most studies only used visual analog scales

348. Executive Summary_Comparative Effectiveness Review No. 252: Management of Infantile Epilepsies (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-252-infantile-epilepsies-executive-summary.pdf
     October 01, 2022 - information into evidence tables, including study design, country, funding source, study duration, sample

349. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/procalcitonin_research-protocol.pdf
     September 08, 2011 -  Statistical analyses (statistical test/estimation results) Test used Summary measures Sample … selection of items proposed by Deeks et al. 13 to inform the USPSTF approach, as follows: o Was sample … o Did the whole sample or a random selection of the sample, receive verification using a reference

350. Appendicitis Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/appendicitis_executive.pdf
     December 01, 2015 - We verified the data extraction and risk-of-bias assessment in a random sample of 368 noncomparative … Furthermore, multivariable models were often developed and evaluated in the same patient sample. … of diagnostic scores, multivariable models were often developed and evaluated in the same patient sample … Many had sample sizes that were too small to reliably detect small or moderate differences between … • In contrast to the RCTs, NRCSs of alternative testing strategies attained large sample sizes but

351. Disposition of Comments Report for Comparative Effectiveness Review 128 Oral Mechanical Bowel Preparation for Colorectal Surgery (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/colorectal-surgery-preparation_disposition-comments.pdf
     April 30, 2014 - We have provided additional study design recommendations, particularly with respect to sample size … We have clarified that we were referring to the majority of studies when discussing small sample sizes … We have provided details about the sample size requirements for such a trial. … We believe that the required sample size is not prohibitive (even for a small size consortium) given … , pelvic abscess, etc.), and that the study will need to be stratified by anatomical segment, the sample

352. Mrsa-Screening-2010 Research-Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/mrsa-screening-2010_research-protocol.pdf
     January 01, 2010 - Source: www.effectivehealthcare.ahrq.gov Published Online: October 24, 2011 □ Summary measures □ Sample … Preventive Services Task Force,35 as follows: O Was sample definition and selection prospective

353. bipolar-disorder-treatment-protocol-140623 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/bipolar-disorder-treatment_research-protocol.pdf
     June 23, 2014 - catalogue one-off studies of interventions (only one study examining a particular intervention) with low sample … The form will be tested by investigators using an initial sample of included studies and will be finalized

354. Interventions to Improve Care of Bereaved Persons (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/bereaved-persons-protocol.pdf
     June 01, 2023 - to be able to distinguish patient samples, including selection criteria for entering the research sample … criteria of the study and the included patients in the research 9 sample … introduced bias, taking into account, for example, whether the study enrolled a consecutive or random sample … When quantitative synthesis is not possible, sample size and assessment of variance within individual

355. Venous-Ulcers-Treatment-Future Research (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/venous-ulcers-treatment-future_research.pdf
     January 01, 2014 - However, the study sample is non-randomized and, therefore, subject to bias. … However, the study sample is non-randomized and, therefore, subject to bias. … Both studies were more than 20 years old, had small sample sizes, and found no benefit for systemic … Standards for Estimating Proper Sample Sizes Well-developed statistical methods for estimating the size … …for estimating proper sample sizes.

356. Mental Health and Occupational Stress in the Emergency Medical Service and 911 Workforce: A Systematic Review (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/ems-911-workforce-mental-health-protocol-amendment.pdf
     January 22, 2024 - We will not restrict by sample size or study quality. … Key Questions No sample size restriction For Key Question 1 for EMS populations, we will After … No sample size restriction will apply to studies of 911 populations. … Because KQ 1 is largely about epidemiology (incidence, prevalence, and severity), a sample size

357. Single-arm studies in comparative effectiveness reviews (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/single-group-studies_white-paper.pdf
     January 01, 2013 - authors planned to use single group studies, selection criteria for single group studies (minimum sample … However, this interpretation is limited by the small sample size. F Figure 2. … Finally, our empirical review was conducted among the small sample of CERs that had been prepared by … in the randomized two arm trial designs (though the two arm studies required a 2–4 fold increased sample

358. Evidence-based Practice Center Technical Brief Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/pain-chronic_research-protocol.pdf
     July 28, 2010 - What was the sample size? 3. How many patients were lost to follow-up (or dropped out)? 4. … We will include studies of any sample size, any design (RCT, controlled clinical trial, uncontrolled … General study factors (design, sample size, country, funding source) Information related to Question

359. Updating Current Effectiveness Reviews (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/rapid-assessment-research-updates_research.pdf
     September 15, 2008 - Sample Letter Excerpt (for Key Question 1 from CER#1) ............................................... … Sample Letter Excerpt (for Key Question 1 from CER#1) Conclusions from CER Executive Summary Is … Sample Letter Excerpt (for Key Question 1 from CER#1) Literature Searches FDA MedWatch and Canadian

360. Pharmacologic and Nonpharmacologic Treatments for Posttraumatic Stress Disorder: An Update of the PTSD Repository (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/ptsd-protocol-2021_0.pdf
     January 01, 2021 - Diagnosis of acute stress disorder • Studies that do not specify criteria used to diagnose PTSD • Sample … studies are screened and determined to meet inclusion criteria, study design, year, setting, country, sample … Characteristics of included studies, such as number of publications by year, study sample size, proportion