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Showing results for "estimating".

1. S103 (pdf file)
   effectivehealthcare.ahrq.gov/sites/default/files/s103.pdf
   October 01, 2007 - Researchers are often most interested in estimating a difference that they cannot observe—what they would … cumulative incidence rates in the presence of competing risks).11 The denominator of the estimating … Suppose we are interested in estimating 3-year medical costs, and an individual is lost to follow-up … Estimating causal effects of treatments in randomized and nonrandomized studies. … Estimating medical costs with censored data. Biometrika. 2000;87:329–343. 17.

2. Layout 1 (pdf file)
   effectivehealthcare.ahrq.gov/sites/default/files/related_files/head-neck-cancer_executive.pdf
   May 01, 2010 - 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

3. A Bayesian Hierarchical Model Estimating CACE in Meta-analysis of Randomized Clinical Trials With Noncompliance | Effective Health Care (EHC) Program
   effectivehealthcare.ahrq.gov/products/grant-manuscripts/randomized-clinical-trials-abstract

4. Suppl-1-User-Guide-To-Ocer 130129 (pdf file)
   effectivehealthcare.ahrq.gov/sites/default/files/suppl-1-user-guide-to-ocer_130129.pdf
   January 01, 2011 - ATE and ATU are “identified” by estimating ATT through the assumption that providers do not have knowledge … Within each X 1M stratum, the ATE and ATU are “identified” by estimating ATT through the assumed … ATE and ATU are “identified” within each X 1M stratum by estimating this LATE through the assumed … ATE and ATU are “identified” by estimating this LATE through the assumption that X 4M and X 2U … Estimating causal effects from large data sets using propensity scores.

5. Effective Health Care (pdf file)
   effectivehealthcare.ahrq.gov/sites/default/files/pdf/TND_0251_05-20-2010.pdf
   January 01, 2010 - care setting and what is the evidence for the validity and reliability of various instruments for estimating

6. Ch 10-User-Guide-To-Ocer 130129 (pdf file)
   effectivehealthcare.ahrq.gov/sites/default/files/ch_10-user-guide-to-ocer_130129.pdf
   January 01, 2011 - Generalized estimating equations (GEE) are a frequently used approach to account for correlated data … regression Multilevel (mixed) Poisson regression ANOVA = analysis of variance; GEE = generalized estimating … constructing a matched control group are provided by Stuart and Rubin.30 Care must be taken when estimating … Estimating the causal effect of zidovudine on CD4 count with a marginal structural model for repeated … Estimating causal effects from epidemiological data.

7. S108 (pdf file)
   effectivehealthcare.ahrq.gov/sites/default/files/s108.pdf
   October 01, 2007 - Introduction: We used agent-based simulation to examine the problem of time-varying confounding when estimating … We have demonstrated that this is a relevant problem when estimating the effect of an adverse event on … Estimating the causal effect of zidovudine on CD4 count with a marginal structural model for repeated … Estimating causal effects from epidemiological data. … Estimating causal effects from large data sets using propensity scores.

8. Comparative Effectiveness Research Review Disposition of Comments Report (pdf file)
   effectivehealthcare.ahrq.gov/sites/default/files/related_files/breast-abnormalities-tests-update_disposition-comments.pdf
   February 13, 2012 - We have modified text throughout the document to clarify the difficulty of precisely estimating the … We have modified text throughout the document to clarify the difficulty of precisely estimating the … We have modified text throughout the document to clarify the difficulty of precisely estimating the … We have modified text throughout the document to clarify the difficulty of precisely estimating the … We have modified text throughout the document to clarify the difficulty of precisely estimating the

9. Measures for Primary Healthcare Spending (pdf file)
   effectivehealthcare.ahrq.gov/sites/default/files/related_files/primary-healthcare-spending-technical-brief-protocol.pdf
   January 01, 2023 - this information by including: 1) the advantages and disadvantages of the different approaches to estimating … search strategies of search terms and medical subject headings (MeSH) for definitions and methods of estimating … information from each study, such as characteristics of study populations, details on methodologies used for estimating

10. Quantitative Synthesis Chapter 3. Choice of Statistical Model for Combining Studies (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/ehc-presentation-quantitative-synthesis-chapter-3.pdf
    February 01, 2018 - Profile Likelihood (PL) methods generally performs best.6 ► They better account for uncertainty in estimating … poorly for rare binary events (e.g., adverse events) • PL methods: ► Better account for uncertainty in estimating

11. Covariate Selection for Observational Comparative Effectiveness Research
    effectivehealthcare.ahrq.gov/sites/default/files/considerations-for-statistical-chapter-10.pptx
    January 01, 2013 - Generalized estimating equations are a frequently used approach to account for correlated data. … Abbreviations: ANOVA = analysis of variance GEE = generalized estimating equations GLMM = generalized … Estimating causal effects from epidemiological data.

12. Suppl-2-User-Guide-To-Ocer 130129 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/suppl-2-user-guide-to-ocer_130129.pdf
    January 01, 2011 - Estimating Causal Effects The primary goal of nonexperimental comparative effectiveness research is … This bias occurs from estimating the average causal effect within “selected” stratum, then averaging … Estimating causal effects from epidemiological data.

13. DEcIDE 33: Summary Variables in Observational Resesarch: Propensity Scores and Disease Risk Scores (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/observational-research-scores_research.pdf
    May 01, 2012 - The performance of different propensity score methods for estimating marginal odds ratios. … Estimating exposure effects by modeling the expectation of exposure conditional on confounders. … The performance of different propensity score methods for estimating marginal odds ratios. … The role of the propensity score in estimating dose-response functions. … Estimating causal effects from large data sets using propensity scores.

14. S149 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/s149.pdf
    October 01, 2007 - Objectives: We developed a method of estimating effects of longi- tudinal treatments that uses subclassification … For a particular longitudinal treatment, we are inter- ested in estimating outcome quantities such as … The 6-step algorithm for estimating contrasts in outcomes, between these treatment regimes, is as follows … Estimating causal effects of treatments in randomized and non-randomized studies.

15. 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

16. PowerPoint Presentation (ppt file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/medical-test-reviews-options-summarizing.ppt
    June 01, 2012 - ) Describe sources of potential bias resulting from the use of an imperfect reference standard when estimating … A cautionary note on the robustness of latent class models for estimating diagnostic error without a … Estimating disease prevalence in the absence of a gold standard. … A cautionary note on the robustness of latent class models for estimating diagnostic error without a … Estimating disease prevalence in the absence of a gold standard.

17. PowerPoint Presentation (ppt file)
    effectivehealthcare.ahrq.gov/sites/default/files/medical-test-reviews-options-summarizing.ppt
    June 01, 2012 - ) Describe sources of potential bias resulting from the use of an imperfect reference standard when estimating … A cautionary note on the robustness of latent class models for estimating diagnostic error without a … Estimating disease prevalence in the absence of a gold standard. … A cautionary note on the robustness of latent class models for estimating diagnostic error without a … Estimating disease prevalence in the absence of a gold standard.

18. 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

19. 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

20. RESPONSE TO REQUEST FOR WORK ASSIGNMENT (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/copd-anticholinergic-medicines_research.pdf
    December 01, 2009 - A comparison of propensity score methods: a case-study estimating the effectiveness of post-AMI statin … The use of the propensity score for estimating treatment effects: administrative versus clinical data … Estimating causal effects from large data sets using propensity scores.