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Showing results for "Statistics".

41. Development and Implementation of Secure Statistical Analyses on Distributed Databases | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/dsitributed-database-analyses/abstract
    July 28, 2010 - Development and Implementation of Secure Statistical Analyses on Distributed Databases Abstract Archived July 28, 2010 Topic Abstract Background: In 2007, the DEcIDE Network initiated an evaluation of two different prototypes of distributed research networks. The general goals of the initiatives are…

42. Effectiveness of Recombinant Human Growth Hormone (rhGH) in the Treatment of Patients With Cystic Fibrosis | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/cystic-fibrosis-hgh/research
    October 04, 2010 - Visual inspection of funnel plots and Egger's weighted regression statistics were used to assess for

43. Neurothrombectomy Devices for Treatment of Acute Ischemic Stroke | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/ischemic-stroke-treatment/research-protocol
    February 19, 2010 - Heart disease and stroke statistics 2009 update: a report from the American Heart Association statistics … committee and stroke statistics subcommittee. … National Center for Health Statistics. Centers for Disease Control and Prevention Web site.

44. Reliability Testing of the AHRQ EPC Approach to Grading the Strength of Evidence in Comparative Effectiveness Reviews | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/reliability-testing-grading-evidence/research
    May 22, 2012 - We calculated summary statistics to describe agreement among reviewers and their difficulty in making

45. Symposium on Research Methods for Clinical and Comparative Effectiveness Studies – Part II | Effective Health Care Program
    effectivehealthcare.ahrq.gov/products/cer-methods-3rd-symposium/executive
    May 25, 2010 - were solicited from scientists across the United States: (1) study design, (2) data collection, (3) statistics

46. Methods Research Report - Meta-Analytical Statistical Inferences for Continuous Measure Outcomes as a Function of Effect Size Metric and Other Assumptions (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/statistical-inference_research.pdf
    April 01, 2013 - Statistics related to the standardized mean difference (SMD) and unstandardized mean difference (UMD … If meta-analytic statistics and inferences do depend on choice of unstandardized vs. … Statistics related to the standardized mean difference (SMD) and unstandardized mean difference (UMD) … In meta-analytic statistics, debate exists about whether to control for this source of variability ( … If it is smaller, it is unlikely to be noticeable without the aid of statistics.

47. Effectiveness and Safety of Antiepileptic Medications in Patients With Epilepsy | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/epilepsy-medicine/research
    December 21, 2011 - I2 was used to detect statistical heterogeneity and Egger's weighted regression statistics were used

48. Ch 9-User-Guide-To-Ocer 130129 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/ch_9-user-guide-to-ocer_130129.pdf
    September 21, 2012 - 129 Abstract The feasibility of a study often rests on whether the projected number of accrued patients is adequate to address the scientific aims of the study. Accordingly, a rationale for the planned study size should be provided in observational comparative effectiveness research (CER) study protocols. This chap…

49. Harmonization of Cognitive Measures in Individual Participant Data and Aggregate Data Meta-Analysis | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/cognitive-measures-harmonization/research
    March 21, 2013 - Harmonization of Cognitive Measures in Individual Participant Data and Aggregate Data Meta-Analysis Research Report March 21, 2013 Web Version [NLM Site] Download Main Document PDF 1.7 MB People using assistive technology may not be able to fully access information in these files. For additional assista…

50. Disposition of Comments CER 214 Stroke Prevention in Patients With Atrial Fibrillation (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-214-afib-disposition-comments.pdf
    October 30, 2019 - The analysis of information provides very comparable c-statistics regarding the 2 instruments, and … We agree that several of the bleeding risk tools provide summary c-statistics that are comparable … We present the c-statistics in Table 21 and use those findings to determine our SOE ratings. … We have focused both on the c-statistics as well as whether their 95% confidence intervals overlap … We have focused both on the c-statistics as well as whether their 95% confidence intervals overlap

51. Quantitative Synthesis: Chapter 1. Decision To Combine Trials (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/ehc-presentation-quantitative-synthesis-chapter-1.pdf
    July 01, 2019 - Quantitative Synthesis: Chapter 1. Decision To Combine Trials Quantitative Synthesis Chapter 1. Decision to combine trials Prepared for: The Agency for Healthcare Research and Quality (AHRQ) Training Modules for Systematic Reviews Methods Guide www.ahrq.gov Presenter Presentation Notes Prioritization and Selecti…

52. 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…

53. AHRQ Slide Template 2009 (ppt file)
    effectivehealthcare.ahrq.gov/sites/default/files/data-extraction.ppt
    January 01, 2009 - the necessary numbers are not directly available, one would have to calculate them from sufficient statistics … numerical data that one needs are not reported directly and need to be calculated based on other reported statistics … errors from confidence intervals or p-values; another is the calculation of hazard ratios from log-rank statistics … Other times, one has to record other statistics, including means and standard deviations, p-values or

54. Development of Statistical Estimators to Address Questions of Comparative Effectiveness in Elderly Heart Failure Patients | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/heart-failure-seniors-estimators/research
    December 02, 2009 - Development of Statistical Estimators to Address Questions of Comparative Effectiveness in Elderly Heart Failure Patients Research Report December 2, 2009 Findings from this study were published in the following journal article. Kramer JM, Curtis LH, Dupree CS, Pelter D, Hernandez A, Massing M, and An…

55. Summary Variables in Observational Research: Propensity Scores and Disease Risk Scores | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/observational-research-scores/research
    May 15, 2012 - Table 3 shows statistics on statins before matching. … Statistics in Medicine 2007;26:734-753. 17. Austin PC. … Statistics in Medicine 2007;26:754-768. Austin PC. … Statistics in Medicine 2007; 26: 3078-3094. … Statistics in Medicine 1989; 8: 771-783. Cochran WG.

56. Slide 1
    effectivehealthcare.ahrq.gov/sites/default/files/estimation-and-reporting_chapter-3.pptx
    January 01, 2013 - Slide 1 Estimation and Reporting of Heterogeneity of Treatment Effects in Observational Comparative Effectiveness Research Prepared for: Agency for Healthcare Research and Quality (AHRQ) www.ahrq.gov Estimation and Reporting of Heterogeneity of Treatment Effects in Observational Comparative Effectiveness Research …

57. Methods Guide for Medical Test Reviews Chapter 2 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-topics_methods.pdf
    July 01, 2012 - trees may help to clarify key questions by identifying which indices of diagnostic accuracy and other statistics … Key concerns suggested by PICOTS, analytic framework, and decision tree Key statistics: sensitivity … types of management decisions and outcomes for index and comparator test- and-treat strategies Key statistics … Key statistics: negative predictive value; key outcomes to be contrasted were benefits of avoiding

58. THIS IS OUR TEACHER! (ppt file)
    effectivehealthcare.ahrq.gov/sites/default/files/communicating_risk_media_wilkes.ppt
    April 01, 2006 - skeptical when they interpret news about health; Again, part of the problem is the lack of education in statistics … Arguably, understanding statistics is much more important for good citizenship than knowing algebra.

59. Bar-Cohen_ ECCS2012 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/bar-cohen_-eccs2012.pdf
    January 01, 2012 - andWhoWe Trust: Health Education and Decision Making  (1 of 4) • Anecdotes versus “mind-­‐numbing statistics

60. Pharmacotherapy for Adults With Alcohol-Use Disorders in Outpatient Settings: Systematic Review Update (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/product/pdf/alcohol-pharma-final-protocol.pdf
    January 01, 2023 - Alcohol facts and statistics. 2021. https://www.niaaa.nih.gov/publications/brochures-and-fact-sheets … /alcohol- facts-and-statistics. … https://www.niaaa.nih.gov/publications/brochures-and-fact-sheets/alcohol-facts-and-statistics 14 … Methods for Meta-Analysis in Medical Research (Wiley Series in Probability and Statistics - Applied … Probability and Statistics Section): Wiley; 2000. 51.