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Showing results for "estimating".

41. S123 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/s123.pdf
    October 01, 2007 - ORIGINAL ARTICLE Heterogeneity and the Interpretation of Treatment Effect Estimates From Risk Adjustment and Instrumental Variable Methods John M. Brooks, PhD,* and Elizabeth A. Chrischilles, PhD† Objectives: To contrast the interpretations of treatment effect esti- mates using risk adjustment and instrumental vari…

42. Management of Uterine Fibroids - Evidence Summary (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/evidence-summary-cer-195-uterine-fibroids-final.pdf
    December 01, 2017 - that allowed estimation of the risk of progression of leiomyosarcoma by type of morcellation used, estimating … Thus the available data produces wide confidence intervals for broad groups of women when estimating … meta-estimates related to leiomyosarcoma risk, available evidence based on pathology specimens for estimating … As a rule, data for estimating rare events is volatile, which is demonstrated by the changes in prevalence … The risk of inaccuracy is especially true in understanding and estimating the degree to which morcellation

43. SAS.doc (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/treatment-effects-estimates-tool_research.pdf
    April 18, 2007 - SAS.doc 1 Introducing a SAS® macro for doubly robust estimation 1Michele Jonsson Funk, PhD, 1Daniel Westreich MSPH, 2Marie Davidian PhD, 3Chris Weisen PhD 1Department of Epidemiology and 3Odum Institute for Research in Social Science, University of North Carolina, Chapel Hill, NC, USA. 2Department of S…

44. Evaluating Practices and Developing Tools for Comparative Effectiveness Reviews of Diagnostic Test Accuracy: Methods for the Joint Meta-Analysis of Multiple Tests (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/diagnostic-tests-accuracy_research.pdf
    January 01, 2013 - It may be preferable over separate analyses for estimating measures of comparative accuracy of diagnostic … In sum, for estimating summaries of TPRs and FPRs, the payoff of joint meta-analyses versus separate

45. Executive Summary_Comparative Effectiveness Review No. 273_Treatment of Stages I-III Squamous Cell Anal Cancer: A Systematic Review (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-273-anal-cancer-executive-summary.pdf
    August 01, 2024 - Executive Summary_Comparative Effectiveness Review No. 273_Treatment of Stages I-III Squamous Cell Anal Cancer: A Systematic Review Comparative Effectiveness Review Number 273 Treatment of Stages I–III Squamous Cell Anal Cancer: A Systematic Review Executive Summary Main Points • For the ini…

46. S158 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/s158.pdf
    October 01, 2007 - Examples of such a method are maximum likelihood, the method developed by Breslow and Cain,27 and estimating

47. Empirical Assessment of Within-Arm Correlation Imputation in Trials of Continuous Outcomes | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/continuous-outcomes-correlation/research
    November 19, 2012 - Empirical Assessment of Within-Arm Correlation Imputation in Trials of Continuous Outcomes Research Report November 19, 2012 Web Version [NLM Site] Download Main Document PDF 4.4 MB People using assistive technology may not be able to fully access information in these files. For additional assistance, p…

48. Research White Paper - Assessing the Predictive Validity of Strength of Evidence Grades: A Meta-Epidemiological Study (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/grades-predictive-values_white-paper.pdf
    September 01, 2015 - Research White Paper - Assessing the Predictive Validity of Strength of Evidence Grades: A Meta-Epidemiological Study Research White Paper Assessing the Predictive Validity of Strength of Evidence Grades: A Meta-Epidemiological Study Research White Paper Assessing the Predict…

49. S38 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/s38.pdf
    October 01, 2007 - In many settings, one can use standard approaches for estimating sample size, assuming no clustering, … characteristics from a logistic regression model accounting for clustering within practices by generalized estimating … characteristics from a logistic regression model accounting for clustering within practices by generalized estimating

50. Ch 11-User-Guide-To-Ocer 130129 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/ch_11-user-guide-to-ocer_130129.pdf
    January 03, 2012 - Furthermore, when estimating the possible effect of an unmeasured confounder on study results, data … approach in this particular situation needed a cautious interpretation, as different approaches were estimating

51. Choice-Of-Mean White-Paper (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/choice-of-mean_white-paper.pdf
    April 01, 2015 - estimate the mean difference: using the change score from the baseline, using the followup scores, or estimating … estimate the mean difference: using the change score from the baseline, using the followup scores, or estimating … followup score or the change score can be used as the dependent variable, and they are equivalent in estimating … directly affects the MD, but the choice of change score versus followup score has further implications on estimating

52. Grades-Predictive-Values White-Paper-2015 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/grades-predictive-values_white-paper-2015.pdf
    January 01, 2015 - Research White Paper Comparison of Effects as Evidence Evolves From Single Trials to High-Quality Bodies of Evidence Research White Paper Comparison of Effects as Evidence Evolves From Single Trials to High-Quality Bodies of Evidence Prepared for: Agency for Healthc…

53. Developing Methods to Assess Health Outcomes in the Presence of Competing Risks for Effectiveness Research | Effective Health Care Program
    effectivehealthcare.ahrq.gov/products/health-outcomes-competing-risks/abstract
    February 11, 2010 - Developing Methods to Assess Health Outcomes in the Presence of Competing Risks for Effectiveness Research Research Report February 11, 2010 Findings from this study were published in the following journal articles. 1. Weiss CO, Segal JB, Varadhan R. Assessing the applicability of trial evidence to a…

54. Testing the Predictive Validity of Strength of Evidence Grades | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/grades-predictive-values/abstract
    September 14, 2015 - Testing the Predictive Validity of Strength of Evidence Grades Abstract September 14, 2015 Background Strength of evidence (SOE) and grades for conveying SOE assessments are ways to describe succinctly to stakeholders the findings and conclusions present in systematic reviews. The GRADE (Grading of Re…

55. Protocol for Quantitative Assessment of Benefit and Harm analysis of Aspirin for primary prevention (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-balancing-harms-benefits_research.pdf
    February 01, 2014 - probabilistic simulation could incorporate some statistical uncertainty.10 Another challenge to appropriately estimating … Although researchers have proposed methods for estimating NNT and NNH from survival analysis data, access

56. Breast-Abnormalities-Tests-Update Executive (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/breast-abnormalities-tests-update_executive.pdf
    February 01, 2012 - 1 Comparative Effectiveness Review Number 47 Noninvasive Diagnostic Tests for Breast Abnormalities: Update of a 2006 Review Executive Summary Background Breast cancer is one of the most common malignancies of women, with approximately 200,000 new cases diagnosed every year in the United States.1 Some …

57. Alcohol | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/health-topics/alcohol
    April 20, 2015 - Change Score or Followup Score? An Empirical Evaluation of the Impact of Choice of Mean Difference Estimates White Paper April 20, 2015

58. Depression-Postpartum-Screening Executive (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/depression-postpartum-screening_executive.pdf
    May 01, 2013 - almost no evidence from which to derive estimates for longer term outcomes, we focused the analysis on estimating … Finally, the prevalence of major depression in studies estimating sensitivity and specificity was substantially

59. 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 - control groups: 𝑑𝑑 = 𝑚𝑚𝑁𝑁 −𝑚𝑚𝑚𝑚 𝑆𝑆𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑝𝑑𝑑 ► This estimate is biased in estimating

60. Surveillance & Identification of Triggers for Updating Systematic Reviews for the EHC Program (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/head-neck-cancer_surveillance.pdf
    August 01, 2012 - Estimating between-group differences in disease-specific and overall survival is complex and requires … Estimating between-group differences in disease-specific and overall survival is complex and requires … Estimating between-group differences in disease-specific and overall survival is complex and requires … Estimating between-group differences in disease- specific and overall survival is complex and requires