Results

Total Results: 3,163 records

Showing results for "study".

21. Methods for Evaluating Natural Experiments in Obesity: A Systematic Evidence Review | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/obesity-research-methods/systematic-review
    November 01, 2019 - of data dictionaries, reporting standards on data linkage, long-term obesity-related outcomes, and study … experimental studies (randomized or non-randomized controlled trials), and 20 (7 percent) had other study … Study Design and Methods: Natural experiment studies most commonly used cross-sectional comparisons … having a weak rating for handling of withdrawals and dropouts, 42 percent having a weak rating for study … Experimental studies were rated as “strong” (low risk of bias) in study design, control of confounding

22. Assessing the Quality of Individual Studies (ppt file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/assessing-quality.ppt
    January 01, 2010 - to the Body of Evidence Quality (systematic error and inferential error, type of study) Size of study … to the Body of Evidence The quality or internal validity of a study (i.e., limitations of study design … Study design — sources of bias may vary by design Study conduct — poor study conduct and discrepancy … Other considerations include study conduct and discrepancies between study design and study conduct. … study design.

23. ASSESSING THE QUALITY OF INCLUDED STUDIES (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/assessing-the-risk-of-bias_draft-report.pdf
    June 02, 2011 - can be thought of as assessing the risk that the study results reflect bias in study design or execution … who remain in the study. … x x Did the strategy for recruiting participants into the study differ across study groups? … x x x x x Did variation from the study protocol compromise the conclusions of the study? … design Study Design Quality Considerations RCTs On study conduct: Are definitions of reported

24. The Evidence-Based Care Challenge: A Case Study (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/ebc-challenge-case-130621.pdf
    June 01, 2013 - The Evidence-Based Care Challenge: A Case Study The Evidence-Based Care Challenge: A Case … Study Prepared for: Agency for Healthcare Research and Quality U.S. … The Evidence-Based Care Challenge: A Case Study. … Organization of This Case Study This case study is organized around the main phases of activity within … Knowledge gained can be shared internally or more broadly, as is the intent of this case study.

25. Understanding Medical Research | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/health-topics/understanding-medical-research
    March 18, 2014 - Description It seems to happen almost every day - you hear about the results of a new medical research study … Sometimes the results of one study seem to disagree with the results of another study. … Some questions that can help you evaluate health information include: Was the study in animals … Does the study include people like you? How big was the study?

26. Case Study Comparing Bayesian and Frequentist Approaches for Multiple Treatment Comparisons (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/indirect-comparisons_research.pdf
    March 01, 2013 - Since each study is conducted under different conditions and populations, study-specific effect sizes … Study 2: 1 vs. 2 12. … ; run; /* Fixed effects model */ proc genmod data=UI_imp; class study trt; model R/N = Study … Karram, 200939,40 This study, that is, the VENUS study enrolled patients aged>=18 years with OAB … Trospium Study Group.

27. A Process for Robust and Transparent Rating of Study Quality: Phase 1 | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/quality-rating/research
    November 01, 2017 - Home Evidence Reports A Process for Robust and Transparent Rating of Study … SHARE: A Process for Robust and Transparent Rating of Study … our findings are preliminary, and no definite conclusions could and should be drawn from this pilot study … A study with large variations in quality assessment may fundamentally be very different from one that … Project Timeline A Process for Robust and Transparent Rating of Study Quality: Phase 1 May 4, 2010

28. Assessing the Risk of Bias of Individual Studies in Systematic Reviews of Health Care Interventions | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/methods-guidance-bias-individual-studies/methods
    October 01, 2019 - under study. … who remain in the study. … for each included outcome of the individual study, considering study conduct, and categorize as low, … differ across study groups?   … is to categorize the study design.

29. Partial Breast Irradiation for Breast Cancer | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/accelerated-partial-breast-irradiation/protocol
    October 01, 2021 - field study/ 42 in vivo study/ 43 exp panel study/ 44 exp Pilot Projects/ 45 exp pilot study/ 46 exp … study" or "case referent study" or "case compeer study" or "case comparison study" or "matched case … study" or "case referent study" or "case compeer study" or "case comparison study" or "matched case … field study/ 43 in vivo study/ 44 exp panel study/ 45 exp Pilot Projects/ 46 exp pilot study/ 47 exp … study” or “case referent study” or “case compeer study” or “case comparison study” or “matched case

30. Use of Observational Studies in Systematic Reviews of (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-observational-studies_methods.pdf
    June 01, 2010 - A potential advantage of this type of study is that long- term benefits, tolerability, and harms can … This assessment will focus particularly on issues of the natural history of the condition under study … Different study designs may be optimal for different types of review questions, and study designs must … Heart Protection Study Collaborative Group. … Although the study did not compare one triptan with another, the study provided data that a particular

31. Use of Observational Studies in Systematic Reviews of (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/methodsguidenorris_060420101.pdf
    June 01, 2010 - A potential advantage of this type of study is that long- term benefits, tolerability, and harms can … This assessment will focus particularly on issues of the natural history of the condition under study … Different study designs may be optimal for different types of review questions, and study designs must … Heart Protection Study Collaborative Group. … Although the study did not compare one triptan with another, the study provided data that a particular

32. Chapter 5: Assessing Risk of Bias as a Domain of Quality in Medical Test Studies | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests-bias/methods
    December 01, 2019 - Judging the overall quality of an individual study involves examining the size of the study, the direction … The evaluation of study features that might influence the relative importance of a particular study has … study. … issues of reporting by contacting study authors. … Judging the overall quality of an individual study involves examining the size of the study, the direction

33. Effect-Dietary-Digestible-Appendix-A (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/effect-dietary-digestible-appendix-a.pdf
    August 31, 2023 - * adj3 study) or (control* adj3 trial) or (randomized adj3 study) or (randomized adj3 trial) or (randomised … adj3 study) or (randomised adj3 trial) or "pragmatic clinical trial" or (random* adj1 allocat*) or … "quasi experimental analysis" or "quasiexperimental study" or "quasiexperimental analysis" or "case … control study" or "case base study" or "case referrent study" or "case referent study" or "case referent … study" or "case compeer study" or "case comparison study" or "matched case control" or "before and

34. Partial Breast Irradiation for Breast Cancer: Systematic Review Protocol (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/product/pdf/pbi-protocol.pdf
    August 09, 2021 - study/ 41 exp field study/ 42 in vivo study/ 43 exp panel study/ 44 exp Pilot Projects/ 45 exp … pilot study/ 46 exp prevention study/ 47 exp replication study/ 48 exp theoretical study/ 49 exp … "case referent study" or "case referent study" or "case compeer study" or "case comparison study" or … study/ 42 exp field study/ 43 in vivo study/ 44 exp panel study/ 45 exp Pilot Projects/ 46 exp … pilot study/ 47 exp prevention study/ 48 exp replication study/ 49 exp theoretical study/ 50 exp

35. Appendix A - The Effect of Dietary Digestible Carbohydrate Intake on Risk of Cardiovascular Disease (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/risk-cardiovascular-disease-appendix-a.pdf
    August 31, 2023 - / 21 exp quasi experimental study/ 22 exp case-control studies/ 23 ((control* adj3 study) or … (control* adj3 trial) or (randomized adj3 study) or (randomized adj3 trial) or (randomised adj3 study … " or "prospective survey" or "prospective analysis" or prospectiv* or "quasi experimental study" or … control study" or "case base study" or "case referrent study" or "case referent study" or "case referent … study" or "case compeer study" or "case comparison study" or "matched case control" or "before and

36. Avoiding Bias in Selecting Studies | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/methods-guidance-bias/methods
    August 01, 2019 - Study Designs or Study Characteristics Due to time, budget, or resource constraints as well as concerns … of individual study), language of publication, study size, or reporting of relevant data. … the study in the SR. … For unpublished studies, manufacturers are asked to provide a summary that includes study number, study … Because the study is registered at the beginning of the study, the intended primary outcome measures,

37. Rapid Evidence Product: Adverse Events Associated With COVID-19 Pharmaceutical Treatments (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/COVID-19-pharmaceutical-treatments-rapid-review.pdf
    March 01, 2024 - There was no significant difference in risk of all-cause mortality in any study. … Hydroxychloroquine and tocilizumab therapy in COVID-19 patients-An observational study. … Documents reporting on the same study were consolidated into one study record. … A-3 The following data were abstracted: • Study identifier (author) and publication year • Study … For a study to be rated “overall” as low risk, the study must be rated as low risk on both items.

38. Appendix-Table-B-1-Observational-Studies (xls file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/appendix-table-B-1-observational-studies.xlsx
    March 20, 2021 - Author Publication Year Title PMID Publication Status at Time of Report Publication Link/URL Country Study … Data obtained as part of the study Any employee of SpaceX None Ab+ Negative serology Range: 18–71 years … Healthcare workers Healthcare workers at Strasbourg University Hospital Data obtained as part of the study … facility residents Residents and staff at two nursing homes in London Data obtained as part of the study … a This study did not provide patient-level data, but used modeling to estimate protection.

39. Transparency of Reporting Requirements: Strategies to Improve Mental Health Care for Children and Adolescents | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/transparency-mental-health/research-protocol
    January 01, 2019 - reported, retention, study conduct, and other details of study design in the peer reviewed literature … Your study [xxx, has been included/is eligible for inclusion] in this review. … Is the study listed elsewhere on another clinical trials registry? … [If the study results are not listed in any clinical trials registry] Did you attempt to list your study … Is the study ongoing? If yes, when is the anticipated date of completion?

40. Research White Paper: A Framework To Facilitate the Use of Systematic Reviews and Meta-analyses in the Design of Primary Research Studies (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/primary-research-design_research.pdf
    January 01, 2012 - Study design in the SR: Are they relevant to proposed study? … Study design: Compare study designs, sources of bias of included studies, feasibility of study designs … Comment: A-2 Were the Results Similar From Study to Study? What is Best? … PICO of the proposed new study. … NA Unclear (8 studies included with 743 patients) Were the results similar from study to study?