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Showing results for "statistical".

  1. effectivehealthcare.ahrq.gov/sites/default/files/related_files/health-careassociated-infections_executive.pdf
    November 01, 2012 - Articles also had to include statistical analysis comparing baseline and postintervention infection … Whether the statistical analysis was adequate • Were potential confounders (e.g., baseline patient … We limited our synthesis to studies that had statistical analyses that adjusted for confounding or … Both the absolute number of studies and the proportion of studies with statistical analysis to control … Relatively small changes in research design and statistical analysis—such as collecting data for three
  2. effectivehealthcare.ahrq.gov/sites/default/files/wysiwyg/pdf/methods-guide-inclusion-nonrandomized-studies.pdf
    September 01, 2022 - Heterogeneity statistical indicators (e.g., I2, H2) and statistical tests (e.g., Cochran’s Q test) only … The elements of statistical learning. New York: Springer; 2001. 78. Berk RA. … Statistical learning from a regression perspective. New York: Springer; 2008. 79. … Journal of the Royal Statistical Society: Series B (Statistical Methodology). 2014;76(1):243-63. … The power of statistical tests for moderators in meta- analysis.
  3. effectivehealthcare.ahrq.gov/sites/default/files/product/pdf/methods-guide-inclusion-nonrandomized-studies.pdf
    September 01, 2022 - Heterogeneity statistical indicators (e.g., I2, H2) and statistical tests (e.g., Cochran’s Q test) only … The elements of statistical learning. New York: Springer; 2001. 78. Berk RA. … Statistical learning from a regression perspective. New York: Springer; 2008. 79. … Journal of the Royal Statistical Society: Series B (Statistical Methodology). 2014;76(1):243-63. … The power of statistical tests for moderators in meta- analysis.
  4. effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-202-thermoplasty-comments.pdf
    December 14, 2017 - Statistical methods are genrally appropriate but again, for KQ 2, there maybe subordination of the … The AIR 2 trial statistical plan described the Bayesian analysis planned for the trial, and the criteria … Prior to conducting the trial, the investigators chose a level of statistical significance for stating
  5. Tinnitus Executive (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/related_files/tinnitus_executive.pdf
    August 01, 2013 - also had a greater impact on reducing depression symptoms, although the reduction failed to reach statistical … Many of the studies did not show statistical differences between groups, but limited statistical power … Only five trials evaluated the outcome of perceived loudness,32,35,36,38,39 and most trials showed no statistical
  6. S123 (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/s123.pdf
    October 01, 2007 - The magnitude of these estimates and the level of statistical significance, however, varied with the
  7. effectivehealthcare.ahrq.gov/sites/default/files/related_files/bereaved-persons-research-executive-summ.pdf
    March 01, 2025 - disorder, and prolonged grief disorder was also classified as a formal disorder in the Diagnostic and Statistical … Diagnostic and statistical manual of mental disorders. 5th ed. text rev ed; 2022. 5.
  8. effectivehealthcare.ahrq.gov/sites/default/files/related_files/nephropathy-contrast-induced_executive-2016.pdf
    January 01, 2016 - studies on a given comparison if study heterogeneity was not important by clinical, qualitative, and statistical … comparing IOCM with LOCM, we found a slight reduction in CIN risk for IOCM that was of borderline statistical … lower risk of CIN than LOCM, but the lower risk was not clinically important and had only borderline statistical
  9. effectivehealthcare.ahrq.gov/sites/default/files/related_files/ptsd-adult-treatment_executive.pdf
    April 01, 2013 - According to the 4th edition of the “Diagnostic and Statistical Manual of Mental Disorders: DSM-IV-TR … The chi-squared statistic and the I2 statistic were calculated to assess statistical heterogeneity in … Statistical Power Analysis for the Behavioral Sciences. Hillsdale, NJ: L. … Statistical Power Analysis for the Behavioral Sciences. Hillsdale, NJ: L. … Diagnostic and Statistical Manual of Mental Disorders: DSM-IV-TR. Text Revision, 4th ed.
  10. effectivehealthcare.ahrq.gov/sites/default/files/thromboembolism-update-executive-170622.pdf
    June 01, 2017 - The non-Asian studies included more patients, largely explaining the difference in statistical significance … Again, the non-Asian studies included more patients, largely explaining the difference in statistical … estimates and confidence intervals, the rankings of interventions are not supported by evaluations of statistical … change with the addition of more studies and the ranking orders are not supported by evaluations of statistical … to suggest that an intervention is favored to reduce the risk of the given outcome, regardless of statistical
  11. effectivehealthcare.ahrq.gov/sites/default/files/related_files/thromboembolism-update-executive-170622.pdf
    June 01, 2017 - The non-Asian studies included more patients, largely explaining the difference in statistical significance … Again, the non-Asian studies included more patients, largely explaining the difference in statistical … estimates and confidence intervals, the rankings of interventions are not supported by evaluations of statistical … change with the addition of more studies and the ranking orders are not supported by evaluations of statistical … to suggest that an intervention is favored to reduce the risk of the given outcome, regardless of statistical
  12. effectivehealthcare.ahrq.gov/sites/default/files/related_files/trauma-interventions-maltreatment-child_executive.pdf
    April 01, 2013 - Statistical Considerations: Even with concerns about limited sample sizes and attrition, few studies … Future studies should account for multiple comparisons and clearly state planned statistical analyses … In complex multifactorial interventions, planned statistical analyses should include the assessment … Beyond these particular statistical issues, a more fundamental question that merits increased attention … Statistical Power Analysis for the Behavioral Sciences. Hillsdale, NJ: L.
  13. effectivehealthcare.ahrq.gov/sites/default/files/related_files/progestogens-preterm-birth-disposition-121205.pdf
    September 07, 2012 - Peer Reviewer #1 Methods have used standard criteria and statistical techniques Thank you. … The statistical methods applied appear to be appropriate. Thank you. … The statistical methods for meta-analysis is described sufficiently. Thank you. … Cannot comment in detail on statistical methods--not my area of expertise but to my limited knowledge … Statistical methods appear correct to me Thank you.
  14. effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-grading-strength_methods.pdf
    July 01, 2009 - Nonoverlapping confidence intervals, significant unexplained clinical or statistical heterogeneity, … If meta-analysis is appropriate, EPCs can evaluate consistency using statistical tests and measures … In the absence of statistical testing or measurement of heterogeneity, EPCs can assess consistency on … Relevant thresholds for precision include the boundary of statistical significance—that is, whether … the estimate of an effect reaches accepted levels for statistical significance.
  15. effectivehealthcare.ahrq.gov/sites/default/files/related_files/ptsd-adults-trauma-interventions_executive.pdf
    April 01, 2013 - According to the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders, Text … We calculated the chi-squared statistic and the I2 statistic to assess statistical heterogeneity in … approaches for data analysis (e.g., lack of ITT analysis, or lack of statistical adjustment for significant … Statistical consultation can help investigators use more appropriate methods than “completers analysis … Diagnostic and statistical manual of mental disorders: DSM-IV-TR.
  16. effectivehealthcare.ahrq.gov/sites/default/files/related_files/mhs-IV-rapid-response-surgical-report-cards.pdf
    November 01, 2023 - more accurate than other initiatives, the data still were insufficiently accurate; and insufficient statistical … knowledge to understand some of the statistical detail in the report cards. … IV – Use of Report Cards and Outcome Measurements 37 Author, Year Study Design Additional Statistical … IV – Use of Report Cards and Outcome Measurements 38 Author, Year Study Design Additional Statistical … IV – Use of Report Cards and Outcome Measurements 39 Author, Year Study Design Additional Statistical
  17. effectivehealthcare.ahrq.gov/sites/default/files/pdf/breast-reconstruction-mastectomy-protocol.pdf
    April 09, 2020 - We do not expect to be able to conduct statistical analyses on these evaluations.
  18. effectivehealthcare.ahrq.gov/sites/default/files/related_files/disruptive-behavior-disorders-protocol.pdf
    January 31, 2023 - To address the potential for publication bias, we will conduct appropriate statistical tests (e.g., … funnel plots, statistical tests for Egger’s small sample effects) when we have sufficient (≥10) studies … and for small study effects when there are sufficient data.23 We will attempt to explain important statistical … Diagnostic and statistical manual of mental disorders, 5th ed. … DBD Disruptive Behavior Disorders DMDD Disruptive Mood Regulation Disorder DSM-5 Diagnostic and Statistical
  19. effectivehealthcare.ahrq.gov/sites/default/files/pdf/catd-protocol-draft_0.pdf
    November 02, 2018 - Historically, premortem AD diagnosis has been operationalized clinically, as by the Diagnostic and Statistical … Regarding statistical power, without pooling, studies with 12 participants per arm cannot reject null … Small studies also are likely to have low statistical power, more likely to be low quality, will not … Diagnostic and Statistical Manual of Mental Disorders: DSM-5; 2013. 11. … Erroneous statistical analysis might also affect the validity of effect estimates.
  20. effectivehealthcare.ahrq.gov/sites/default/files/related_files/arthritis-psoriatric_surveillance.pdf
    March 01, 2013 - Quantitative Criteria for Signals of Potentially Invalidating Changes in Evidence B1 A change in statisticalStatistical tests were not performed (perhaps because MTX was found ineffective).15 A new cohort … Statistical tests were not conducted. … 1.70, 0.90 - 3.17) Also no significant effects on tender or swollen joint count, HAQ, pain No statistical … ACR50 response rates were Did not conduct statistical tests on adverse events data.

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