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Showing results for "estimated".

61. Methods Guide for Medical Test Reviews Chapter 9 (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-performance_methods.pdf
    July 01, 2012 - 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

62. Summary Variables in Observational Research: Propensity Scores and Disease Risk Scores | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/observational-research-scores/research
    January 01, 2019 - The rarity of rhabdomyolysis (estimated incidence 0.4-6.0 per 10,000 person-years among statin users) … The extent of confounding removed can be estimated based on the number of strata, 14 and five strata … The association between exposure and disease (or outcome) is then estimated adjusting for the disease … , is the estimated disease risk score. … This group can serve as the referent from which disease risk will be estimated for the other risk score

63. Final_multivariate_v22_CLEAN_03-11-2013 (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-binary-outcomes-evaluation_research.pdf
    March 11, 2013 - Depending on the estimated covariance between the compared effects, the multivariate methods can yield … Estimated between-study correlation between the first and second outcome .............. 31 Table 15. … On the Number of Parameters to be Estimated For each univariate meta-analysis the parameters to be estimated … For multivariate meta-analyses, the parameters to be estimated are the M true means (the elements … means and differences of estimated means.

64. S96 (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/s96.pdf
    October 01, 2007 - Sensitivity of case identification was estimated to be at least 0.33; estimated positive predictive value … Sensitivity and PPV were estimated as previously de- scribed.10,17 CDC guidelines further indicate that … Adjusting for prob- ability of selection, weighted PPV was estimated to be 0.92 �95% confidence interval … We found that an estimated 3075 patients came to EDs in 2004 for adverse events attributed to these medi … Thus, although the total number of ADEs result- ing from a specific drug can be estimated, additional

65. Conducting Quantitative Synthesis when Comparing Medical Interventions: AHRQ and the Effective Health Care Program (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-quantitative-synthesis_methods.pdf
    October 01, 2010 - The precision of the estimated RR would be affected, too. … difference. 7 Count Data and Time to Events Rate ratio is used for count data and often estimated … For time to event data, the measure is hazard ratio (HR), and most commonly estimated from the Cox

66. Conducting Quantitative Synthesis when Comparing Medical Interventions: AHRQ and the Effective Health Care Program (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/methodsguide_conductingquantitativesynthesis.pdf
    October 01, 2010 - The precision of the estimated RR would be affected, too. … difference. 7 Count Data and Time to Events Rate ratio is used for count data and often estimated … For time to event data, the measure is hazard ratio (HR), and most commonly estimated from the Cox

67. Prognostic Tests (ppt file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/medical-test-reviews-prognostic.ppt
    June 01, 2012 - For example, investigators commonly report estimated hazard ratios (HRs) from Cox regression analyses … estimated by the first prognostic test + a new prognostic test 0 to 0.10 > 0.10  Total 0 to 0.10 … A chi-square test can be used to analyze the differences between the estimated probabilities and the … In a 2 x 2 table, this is an estimated change in test sensitivity. … In a 2x2 table, this is the estimated change in test specificity.

68. Prognostic Tests (ppt file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/medical-test-reviews-prognostic.ppt
    June 01, 2012 - For example, investigators commonly report estimated hazard ratios (HRs) from Cox regression analyses … estimated by the first prognostic test + a new prognostic test 0 to 0.10 > 0.10  Total 0 to 0.10 … A chi-square test can be used to analyze the differences between the estimated probabilities and the … In a 2 x 2 table, this is an estimated change in test sensitivity. … In a 2x2 table, this is the estimated change in test specificity.

69. An analytical framework for quantifying components of variability in prescriber decisions (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/instrumental-variable-methods_research.pdf
    April 01, 2010 - Parameters in generalized linear models can also be estimated using instrumental variables by constructing

70. Change Score or Followup Score? An Empirical Evaluation of the Impact of Choice of Mean Difference Estimates | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/choice-of-mean/white-paper
    November 01, 2017 - 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 …

71. Clinical Effectiveness of Coronary Stents in the Elderly: Results From 262,700 Patients in the American College of Cardiology-National Cardiovascular Data Registry | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/coronary-stents-outcomes/research
    January 01, 2020 - stroke, death or MI, death or MI or revascularization, and death or MI or stroke, were compared using estimated … From these models, we estimated the adjusted hazard ratio for DES vs. … BMS along with a 95% confidence intervals based on the sandwich estimated standard errors. … The second sensitivity analysis estimated ‘cause of death’ after stent implantation according to the … The estimated hazard ratio obtained using an unweighted Cox proportional hazards mortality model with

72. Untitled (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/TND-0645-151012.pdf
    August 05, 2015 - Considerations § An estimated one in eight children is affected by anxiety disorders.

73. Topic 0610 CE of Treatments for Uterine Fibroids NSD FINAL (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/TND-0745-141009.pdf
    September 03, 2014 - In the US, it is estimated that approximately 1% of women with employer- provided insurance have clinically

74. Comparative Effectiveness of Treatments for Cryptorchidism | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/undescended-testicle/research-protocol
    December 01, 2019 - Background and Objectives for the Systematic Review Cryptorchidism affects an estimated … for Medicine & Medicaid Services) and that the costs of infant and postpubertal orchiopexy have been estimated … An estimated 10 percent of all testicular tumors develop from an undescended testis, 9 and the relative

75. Expanded Guidance on Selected Quantitative Synthesis Topics | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/quantitative-synthesis-expanded-methods/methods
    December 01, 2019 - Figure 1 displays the wide variation in the summary odds ratio and estimated between-study variability … e.g., DerSimonian and Laird 7 ) assume that the between-study variance is known, when actually it is estimated … endoscopic sclerotherapy in patients with cirrhosis and esophagogastric varices. 22 The naïve approach estimated … of event for each intervention group usually increases with the increase of study duration and the estimated … the Montgomery-Asberg Depression Scale (MADRS) between escitalopram and citalopram, 25 the WMD was estimated

76. Pressure Ulcer Risk Assessment and Prevention: A Comparative Effectiveness Review | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/pressure-ulcer-prevention/research-protocol
    December 01, 2019 - times longer than hospitalizations without diagnosis of pressure ulcers. 3 Pressure ulcers affect an estimated … Assessing Applicability Applicability will be estimated by examining the characteristics of the patient

77. Management of Infantile Hemangioma (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/infantile-hemangioma_clinician.pdf
    June 01, 2016 - Infantile Hemangioma Background Infantile hemangioma (IH) is the most common tumor of childhood and is estimated … The estimated clearance of IH in a child could be as low as 88 percent or as high as 99 percent.

78. Management of Uterine Fibroids - Evidence Summary (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/evidence-summary-cer-195-uterine-fibroids-final.pdf
    December 01, 2017 - develop one or more uterine fibroids during their reproductive lifespan.1 In the United States, an estimated … States are projected to exceed $9.4 billion.8 Lost wages, productivity, and short-term disability are estimated … The probability of the occurrence of subsequent treatment events was estimated using a Poisson model … we structured a search to encompass the papers included in a 2015 review and meta-analysis10 that estimated … The estimated annual cost of uterine leiomyomata in the United States.

79. Executive Summary_Comparative Effectiveness Review No. 253: Maternal and Child Outcomes Associated With the Special Supplemental Nutritional Program for Women, Infants, and Children (WIC) (pdf file)
    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/cer-253-maternal-child-outcomes-wic-executive-summary.pdf
    April 01, 2022 - aModerate SOE indicates moderate confidence that the estimated association lies close to the true association … , low SOE indicates limited confidence that the estimated association lies close to the true association

80. Data Points #2: Incidence of diabetic foot ulcer and lower extremity amputation among Medicare beneficiaries, 2006-2008. | Effective Health Care (EHC) Program
    effectivehealthcare-admin.ahrq.gov/products/diabetes-foot-ulcer-amputation-incidence/research
    December 01, 2019 - It is estimated that by 2025, 300 million people worldwide will have diabetes and by 2030, 360 million … Using the same dataset, the CDC estimated that the rate of LEA in 2005 was 5.3 to 5.6 per hospital discharge