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  1. Supplemental Project To Assess the Transparency of Reporting for Trials Evaluating Treatment for Infertility (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/pdf/transparency-infertility_research.pdf
    June 01, 2017 - A secondary goal was to estimate the person-hours required to complete these analyses. … • The analytic approach and any plans for subgroup analyses were not addressed in CT.gov for any … However, subgroup analyses were not reported in the published manuscripts for any of these trials. … Recommendations for examining and interpreting funnel plot asymmetry in meta- analyses of randomised … Evidence for the selective reporting of analyses and discrepancies in clinical trials: a systematic

  2. HCUP Nationwide Inpatient Sample Design Report 1996

    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1996_Design_Report.jsp
    January 01, 1996 - 5 1996 19 906 6.5 Thus, the NIS supports both cross-sectional and longitudinal analyses … Therefore, sample weights were developed separately for hospital- and discharge-level analyses. … All of these discharge weights can be rescaled if necessary for selected analyses, to sum to the NIS … Given that a very large number of observations will be available for most analyses, it may be feasible … Consequently, longitudinal analyses of hospital-level outcomes may be biased if they are based on any

  3. Vitamin D With or Without Calcium Supplementation for Prevention of Cancer and Fractures: An Updated Meta-analysis for the U.S. Preventive Services Task Force (pdf file)

    www.uspreventiveservicestaskforce.org/home/getfilebytoken/6L2obA88s86MoZDbWtMPTU
    December 01, 2011 - characteristics, including baseline vitamin D status and use of supplements; details of statistical analyses … Data Synthesis For analyses of RCTs included for KQ 1, we used the DerSimonian–Laird random-effects … Analyses were conducted by using Stata SE 11 soft- ware (StataCorp, College Station, Texas). … Measuring inconsistency in meta-analyses. BMJ. 2003;327:557-60. [PMID: 12958120] 14. … The strengths and limitations of meta-analyses based on aggregate data.

  4. Continuous-Outcomes-Quantitative-Synthesis Methods (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/pdf/continuous-outcomes-quantitative-synthesis_methods.pdf
    March 01, 2011 - Subgroup analyses can also be done by grouping studies according to inclusion criteria. … to compare results from ANCOVA versus non-ANCOVA estimates as sensitivity analyses. … Imputing missing standard deviations in meta-analyses can provide accurate results. … Multiplicity of data in trial reports and the reliability of meta-analyses: empirical study. … Expressing findings from meta-analyses of continuous outcomes in terms of risks.

  5. Disposition of Comments for Treatments for Fibromyalgia in Adult Subgroups (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/related_files/fibromyalgia_disposition-comments.pdf
    January 26, 2015 - I think including higher functioning/less impaired patients impacts applicability (e.g. in analyses … on pooled within-study analyses), and which outcomes are reported. … The pooled IPD analyses were pooled within- study comparisons. … patients randomized in the input RCTs were reported in the pooled analyses. … the literature, including limited credibility of reported subgroup analyses.

  6. Gastric-Cancers-Supplementary-App-I (xls file)

    effectivehealthcare.ahrq.gov/sites/default/files/related_files/gastric-cancers-supplementary-app-i.xlsx
    January 01, 2019 - Pathological stage Yes Overall survival Hazard ratio Definitely no Protocol available, but subgroup analyses … 80101 [Alliance] Age Yes Overall survival Hazard ratio Definitely no No protocol available and subgroup analyses … ST03 Age Yes Overall survival Hazard ratio Probably no or unclear Protocol available, but subgroup analyses … Publication does state subgroup analyses were "pre-specified," but also does not discuss a prior hypotheses … within stomach Yes Overall survival Hazard ratio Probably no or unclear Protocol available, but subgroup analyses

  7. breast-biopsy-update-130920 (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/pdf/breast-biopsy-update_research-protocol.pdf
    September 20, 2013 - In quantitative analyses, we will consider performing subgroup analyses to assess the impact of each … Main analyses will include all relevant studies. … We will also perform subgroup analyses by individual risk-of-bias items to assess the impact of each … We will evaluate the robustness of our findings in sensitivity analyses that exclude studies at high … Diagnostic  statistical  procedures  in  medical  meta-­‐analyses.  

  8. Archived: Evidence Summary: Carotid Artery Stenosis: Screening | United States Preventive Services Taskforce

    www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/carotid-artery-stenosis-screening-july-2014
    July 08, 2014 - The findings of the other meta-analyses were generally consistent with these results, but specificity … analyses, with only minor variation in width of CIs ( Table 2 ). … Clinically useful measures of effect in binary analyses of randomized trials. … Measuring inconsistency in meta-analyses. BMJ . 2003;327:557-60. … ‡ Analyses did not have small numbers of studies. Return to Table of Contents

  9. Psn-Pdf (pdf file)

    psnet.ahrq.gov/node/45462/psn-pdf
    August 31, 2016 - /psnet.ahrq.gov/issue/learning-mistakes The National Health Service (NHS) has a history of sharing analyses

  10. HCUP Sample Design: National Databases - Accessible Version

    hcup-us.ahrq.gov/tech_assist/sampledesign/508_compliance/index508_2018.jsp
    January 01, 2018 - that because the NIS sample is not designed with "state" as a stratification variable, state-level analyses … If you are interested in analyses by state, you should use the State-specific SID. … As in the NIS sample design, "state" is not included as a stratum; therefore state-level analyses cannot … If you are interested in analyses by state, you should use the state-specific SID or SEDD. … This is important because analyses that fail to account for the sample design could yield biased estimates

  11. Evidence-based Practice Center Systematic Review Protocol (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/pdf/antiplatelet-treatment_research-protocol.pdf
    November 22, 2011 - (meta-analyses, published in 2010– 2011) have assessed the utility of CYP2C19 variants for predicting … Four additional meta-analyses have assessed the predictive utility of phenotypic tests for platelet … In meta-analyses of both phenotypic and genetic tests, the summary effect sizes were low or moderate … If quantitative analyses are undertaken, we will consider performing subgroup analyses to assess the … Sensitivity analyses (including leave- one-out analyses, analyses assuming a fixed effects model, and

  12. Psn-Pdf (pdf file)

    psnet.ahrq.gov/node/42981/psn-pdf
    March 19, 2014 - This commentary uses case analyses to illustrate how such incomplete discussions often contribute to

  13. Use of Push and Pull Health Information Exchange Technologies by Ambulatory Care Practices and the Impact on Potentially Avoidable Health Care Utilization - Final Report (pdf file)

    digital.ahrq.gov/sites/default/files/docs/citation/r01hs024556-vest-final-report-2019.pdf
    January 01, 2019 - Results: According to regression analyses, “pull” and “push” HIE are complementary approaches to HIE … Qualitative interviews were supportive of quantitative analyses. … Analyses We measured the association between “push” HIE usage and “pull” HIE in a logistic regression … Limitations Log file-based analyses have several key limitations. … Analyses The unit of analysis was the beneficiary-quarter.

  14. Davidson 5-V (pdf file)

    digital.ahrq.gov/sites/default/files/docs/page/Davidson_5-V.pdf
    December 31, 2006 - flows to help design tools that will allow the projected audience to build valued population- based analyses … diagrams, analysis and a road-map for decentralized data systems to contribute to population-based analyses … diagrams, analysis and a road-map for decentralized data systems to contribute to population-based analyses

  15. Evaluating HIT – Evaluation designs from the Colorado AHRQ State and Regional Demonstration Project (pdf file)

    digital.ahrq.gov/sites/default/files/docs/page/2006Davidson_051711comp.pdf
    December 31, 2006 - flows to help design tools that will allow the projected audience to build valued population- based analyses … diagrams, analysis and a road-map for decentralized data systems to contribute to population-based analyses … diagrams, analysis and a road-map for decentralized data systems to contribute to population-based analyses

  16. Reducing the disruptive effects of interruption: a cognitive framework for analysing the costs and benefits of intervention strategies. | PSNet

    psnet.ahrq.gov/issue/reducing-disruptive-effects-interruption-cognitive-framework-analysing-costs-and-benefits
    September 11, 2013 - Commentary Reducing the disruptive effects of interruption: a cognitive framework for analysing the costs and benefits of intervention strategies. Citation Text: Boehm-Davis DA, Remington R. Reducing the disruptive effects of interruption: a cognitive framework for analysing the costs an…

  17. Error rating tool to identify and analyse technical errors and events in laparoscopic surgery. | PSNet

    psnet.ahrq.gov/issue/error-rating-tool-identify-and-analyse-technical-errors-and-events-laparoscopic-surgery
    October 09, 2013 - Study Error rating tool to identify and analyse technical errors and events in laparoscopic surgery. Citation Text: Bonrath EM, Zevin B, Dedy NJ, et al. Error rating tool to identify and analyse technical errors and events in laparoscopic surgery. Br J Surg. 2013;100(8):1080-8. doi:10.1…

  18. A review of significant events analysed in general practice: implications for the quality and safety of patient care. | PSNet

    psnet.ahrq.gov/issue/review-significant-events-analysed-general-practice-implications-quality-and-safety-patient
    October 29, 2008 - Study A review of significant events analysed in general practice: implications for the quality and safety of patient care. Citation Text: McKay J, Bradley N, Lough M, et al. A review of significant events analysed in general practice: implications for the quality and safety of patient…

  19. Seven hundred and fifty-nine (759) chances to learn: a 3-year pilot project to analyse transfusion-related near-miss events in the Republic of Ireland. | PSNet

    psnet.ahrq.gov/issue/seven-hundred-and-fifty-nine-759-chances-learn-3-year-pilot-project-analyse-transfusion
    September 25, 2008 - Study Seven hundred and fifty-nine (759) chances to learn: a 3-year pilot project to analyse transfusion-related near-miss events in the Republic of Ireland. Citation Text: Lundy D, Laspina S, Kaplan H, et al. Seven hundred and fifty-nine (759) chances to learn: a 3-year pilot project …

  20. The investigation and analysis of critical incidents and adverse events in healthcare. | PSNet

    psnet.ahrq.gov/issue/investigation-and-analysis-critical-incidents-and-adverse-events-healthcare
    March 05, 2014 - Study Classic The investigation and analysis of critical incidents and adverse events in healthcare. Citation Text: Woloshynowych M, Rogers S, Taylor-Adams S, et al. The investigation and analysis of critical incidents and adverse events in healthcare. Health …
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