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Showing results for "estimated".

41. Development of Harmonized Outcome Measures for Use in Patient Registries and Clinical Practice: Methods and Lessons Learned (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/wysiwyg/white-paper-standardized-library.pdf
    February 01, 2019 - An estimated 86 million Americans aged 20 years or older have prediabetes. … enrollment of 100,000; 1 with estimated enrollment of 30,000; others 100-500; several studies (not … Every year, an estimated 30,000 people are fitted with a brace and 38,000 undergo surgery for spinal … new cases and 1,980 estimated deaths in 2016. … In 2013, estimated 637,000 people living with thyroid cancer in US Accounts for 0.3% of all cancer

42. S108 (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/s108.pdf
    October 01, 2007 - The weight was stabilized by using as the numerator the estimated prob- ability of the individual’s observed … Therefore, the estimated population HR should be interpreted to be an approximation of the average population … In the “unconfounded-indirect ef- fect” simulation, the crude HR estimated by Cox was 0.6, whereas the … Thus, the bias which was calculated as the estimated HR divided by true HR, ranged from 0.61 to 0.64. … In contrast, many of the published studies that examined outcomes of adverse events directly estimated

43. Data Points #16: Changes across time and geography in the use of prostate radiation technologies for newly diagnosed older cancer patients: 2006-2008 | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/prostate-cancer-radiation/research
    December 01, 2019 - The American Cancer Society estimated that 192,280 men would be diagnosed with and 27,360 men would die … In 2008, Medicare spent an estimated $1 billion minimum on IMRT, mostly driven by treatment of prostate

44. Blood-based Tests for Multiple Cancer Screening: A Systematic Review | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/cell-free-dna/draft-report
    January 01, 2025 - Six studies (3 high risk-of-bias, 3 unclear risk of bias) reported prediagnostic performance estimated

45. Chapter 8: Meta-Analysis of Test Performance When There Is a “Gold Standard” | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests-metaanalysis/methods
    December 01, 2019 - Within each study, sensitivity and specificity are independent, because they are estimated from different … The larger the time interval, the more CK-MB is released into the bloodstream, affecting the estimated … Yet, even if the estimated correlation between sensitivity and specificity is positive (i.e., not in … A summary line may not be well estimated when the sensitivities and specificities of the various studies … show little variability or when their estimated correlation across studies is small.

46. Continuous-Outcomes-Quantitative-Synthesis Methods (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/continuous-outcomes-quantitative-synthesis_methods.pdf
    March 01, 2011 - The common SD can be estimated as: .T C T C n n SD SE n n (7) Direct use of the … In these situations, SD can be estimated as IQR/1.35 or as range/4. … For example, if the sample size is 22, then SD could be estimated as range/3.819. … (16) 2 T T C C P T C n SD n SD S n n The estimated variance for Cohen’s d and … The estimated variance for Hedges’ gadj is given by 2 ( ) + .

47. Measuring Primary Healthcare Spending | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/primary-healthcare-spending/tech-brief
    November 01, 2024 - Skip to main content An official website of the Department of Health & Human Services Careers Contact Us Español FAQs Effective Health Care Program Powered by the Evidence-based Practice Centers …

48. Comparison of Effects as Evidence Evolves From Single Trials to High-Quality Bodies of Evidence | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/grades-predictive-values/white-paper-2015
    November 01, 2017 - Results First trials both over- and under-estimated the true treatment effects in no discernible pattern

49. Blood-based Tests for Multiple Cancer Screening: A Systematic Review (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/cell-free-dna-draft-report.pdf
    December 01, 2024 - Six studies (3 high risk-of-bias, 3 unclear risk of bias) reported prediagnostic performance estimated … Models with slow dwell time assumptions estimated 97 fewer deaths among 100,000 screened individuals … The corresponding estimated reduction in late-stage cancer detection with MCSTs was 502 fewer (from … They estimated the greatest benefits for the most deprived group at every participation level and estimated … Lower screening participation attenuated the estimated benefits.

50. Methods Guide for Medical Test Reviews (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-metaanalysis_methods.pdf
    July 01, 2012 - Within each study, sensitivity and specificity are independent, because they are estimated from different … The larger the time interval, the more CK-MB is released into the bloodstream, affecting the estimated … Yet, even if the estimated correlation between sensitivity and specificity is positive (i.e., not in … • A summary line may not be well estimated when the sensitivities and specificities of the various … studies show little variability or when their estimated correlation across studies is small.

51. Executive Summary_Comparative Effectiveness Review No. 273_Treatment of Stages I-III Squamous Cell Anal Cancer: A Systematic Review (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/cer-273-anal-cancer-executive-summary.pdf
    August 01, 2024 - Moderate Colostomy-free survival (up to 5 yrs) 1; RCT; n=110 CRT favored over RT alone; estimated

52. Chapter 9: Options for Summarizing Medical Test Performance in the Absence of a “Gold Standard” | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests-performance/methods
    December 01, 2019 - These eight probabilities ( α1, β1, γ1, δ1, α2, β2, γ2 and δ2 ) are not known, and have to be estimated … These can be estimated from test results in a study, as discussed in the Appendix. … When conditional independence cannot be assumed, the conditional correlations have to be estimated as

53. S116 (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/s116.pdf
    October 01, 2007 - These associations were estimated using a linear model of the patient characteristic that included the … observations within physicians, the parameters and standard errors for all multivariable models were estimated … †Parameter standard errors estimated robustly to account for correlation of patient outcomes within physician … Prevalence of risk factor among atypical users minus prevalence of risk factor among conventional users estimated … atypical APM minus prevalence among patients of physicians who most recently prescribed a conventional APM estimated

54. Refining Key Questions: Interactive Case Study Quiz
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/rfviia.pptx
    May 01, 2010 - Off-label, in-hospital rFVIIa use was estimated to be 125 cases in 2000, underwent a moderate increase … until 2005 when use became more frequent and was estimated to be 11,057 cases, and by 2008 was estimated … to be 17,813 cases (97% of all of the estimated 18,311 in-hospital cases). … for Bleeding Secondary to Brain Trauma Outcome of Interest Number of Studies Number of Subjects Estimated … rFVIIa Use for Liver Transplantation Outcomes of Interest Number of Studies Number of Subjects Estimated

55. Refining Key Questions: Interactive Case Study Quiz
    effectivehealthcare-admin.ahrq.gov/sites/default/files/rfviia.pptx
    May 01, 2010 - Off-label, in-hospital rFVIIa use was estimated to be 125 cases in 2000, underwent a moderate increase … until 2005 when use became more frequent and was estimated to be 11,057 cases, and by 2008 was estimated … to be 17,813 cases (97% of all of the estimated 18,311 in-hospital cases). … for Bleeding Secondary to Brain Trauma Outcome of Interest Number of Studies Number of Subjects Estimated … rFVIIa Use for Liver Transplantation Outcomes of Interest Number of Studies Number of Subjects Estimated

56. Instrumental Variable Methods in Comparative Safety and Effectiveness Research | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/instrumental-variable-methods/research
    January 01, 2019 - Parameters in generalized linear models can also be estimated using instrumental variables by constructing

57. Topic 0556 CE of Treatments for Diabetic Peripheral Neuropathy NSD SJ clean (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/TND-0658-140831.pdf
    July 19, 2014 - Of these amputations, an estimated 75% are preventable through better management of diabetes and diabetic

58. Conducting Quantitative Synthesis When Comparing Medical Interventions: AHRQ and the Effective Health Care Program | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/methods-guidance-quantitative-synthesis/methods
    December 01, 2019 - The precision of the estimated RR would be affected, too. … Count Data and Time to Events Rate ratio is used for count data and often estimated from a Poisson … For time to event data, the measure is hazard ratio (HR), and most commonly estimated from the Cox proportional

59. Executive summary_Evaluation of Dietary Protein and Amino Acid Requirements: A Systematic Review (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/dietary-protein-intake-executive-summary.pdf
    November 01, 2024 - Estimated requirements for protein and indispensable amino acids varied both by population and by method

60. Statistical Design and Analytic Considerations for N-of-1 Trials (Chapter 4) | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/n-1-trials/research-2014-1
    August 01, 2019 - Conversely, not using a washout might compromise the validity of the estimated treatment effect and lead … If not controlled for, carryover may lead to bias in the estimated treatment effects, with a tendency … If the full model 1 is used, then is estimated from the within-block measurements. … The overall mean treatment effect φ 0 and the individual mean treatment effects φ i 's is are estimated … (AC is estimated indirectly through the sum of AB and BC.)