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Showing results for "estimates".

61. Layout 1 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/breast-abnormalities-tests_executive.pdf
    February 01, 2006 - ratio 0.33 NC 0.16 0.21 Negative predictive value at 20% prevalence 92.4% NC 96.2% 95.0% Stability of estimates … likelihood ratio NC 0.41 NC NC Negative predictive value at 20% prevalence NC 90.7% NC NC Stability of estimates … likelihood ratio NC NC NC NC Negative predictive value at 20% prevalence NC NC NC NC Stability of estimates

62. Disposition of Comments for CER 168 Infantile Hemangioma (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/infantile-hemangioma_disposition-comments.pdf
    January 15, 2016 - We have emphasized in our discussion of meta-analysis findings that the estimates provide relative ranking … We have also noted in the report’s Conclusions that the estimates provided are most important as relative … The estimates provide a relative ranking of anticipated rates of lesion clearance among treatment options … Therefore, the difference between any two estimates is the comparative effectiveness. … Peer reviewer #4 Results Figure 6, note that estimates of sigma are typically smaller for smaller effect

63. S23 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/s23.pdf
    October 01, 2007 - examples of communicating benefits and harms for well-known therapeutics, illustrating that relative risk estimates … Although the estimates might change when more information from other studies becomes available, the public … For the most part, the articles discuss relative estimates (relative risks or odds ratios; Fig. 1). … Relative risk estimates are not helpful for communicating the chance of experiencing an event (either … benefit or a harm).9,29 In our scenario, relative risk estimates cannot accurately depict the chance

64. Hepatic-Fibrosis White-Paper (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/hepatic-fibrosis_white-paper.pdf
    April 01, 2014 - Results from these studies therefore could not be included in summary estimates for sensitivity and … specificity, resulting in less robust and potentially biased estimates. … is obtained and how that information affects the conclusions of the systematic review, including estimates … The additional data enabled somewhat more robust estimates for diagnostic accuracy at commonly used … Although the effects on summary estimates were relatively small in most cases, the changes had important

65. Asthma-Immunotherapy-2011 Research (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/asthma-immunotherapy-2011_research.pdf
    January 01, 2011 - Precision of the estimates 5±2 13. … Reliability of the estimates. … Reliability of the estimates. … Reliability of the estimates. … B Mean and standard error of estimates reported C Numeric value of estimates not reported (

66. Disposition of Comments_Technical Brief No. 44: Measuring Primary Healthcare Spending (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/primary-healthcare-spending-disposition-comments.pdf
    May 17, 2024 - but only mention one (PCC) and focus primarily on state estimates. … We have clarified the number of reports and estimates we found throughout the report. … KI Reviewer 1 General Comments In the abstract it says you found 3 national estimates but elsewhere … We will revise the text to clarify what estimates we are referring to. … I believe MA also may include this method for its non-claims estimates.

67. Slide 1
    effectivehealthcare.ahrq.gov/sites/default/files/sensitivity-analysis-chapter-11.pptx
    January 01, 2013 - differences in the time window during which exposure is determined can lead to changes in study effect estimates … adjustment, may provide insight into which covariates have relatively greater influences on effect estimates … analysis is based on different assumptions than conventional approaches and may build confidence in estimates … For example, Samy Suissa (2008) illustrated how the choice of cohort definition can affect effect estimates … also consider the method of covariate adjustment to see if it might result in changes in the effect estimates

68. Treatment of Dementia Among Community-Dwelling and Institutionalized Medicare Beneficiaries (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/dementia-databases-methods_research.pdf
    May 01, 2008 - is estimated that as many as 75% of all persons with dementia will eventually reside in the NH. 7 Estimates … The aim of this project was to provide nationally representative estimates of the prevalence of the … The MCBS survey weights are used to project national estimates for each measure. … Data from claims provided slightly higher estimates of dementia cases than self/proxy reports in the … Alzheimer disease in the US population: Prevalence estimates using the 2000 census.

69. Cancer-Ovarian-Contraceptives Executive (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/cancer-ovarian-contraceptives_executive.pdf
    June 01, 2013 - Relative risk estimates were derived from the meta-analyses and other age-specific and race-specific … Depending on the analysis, each model run included 5,000 to 1,000,000 simulated individuals; estimates … Decision Analysis: Benefits and Harms of OC Use and Ovarian Cancer Risk Using the point estimates from … of their effect on mortality derived from a model are even more uncertain than estimates for incident … Because these data are cross-sectional, estimates for older women reflect cohorts that were relatively

70. The Effect of Dietary Digestible Carbohydrate Intake on Risk of Cardiovascular Disease (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/risk-cardiovascular-disease.pdf
    January 01, 2023 - meta-analysis is appropriate (i.e., more than 2 studies address the same PICOTS and provide point estimates … If meta-analysis is deemed appropriate, we plan to use random-effects models to pool estimates from … comparison have high or unclear risk of bias or when sensitivity analyses show a substantial difference in estimates … derived from high or unclear risk of bias studies versus estimates derived from studies at low risk … Cardiovascular Disease Projections in the United States Based on the 2020 Census Estimates.

71. Slide 1
    effectivehealthcare.ahrq.gov/sites/default/files/exposure-definition-and-measurement_chapter-4.pptx
    January 01, 2013 - appropriate for defining exposure Provide evidence of validity of the operational definition of exposure with estimates … Evidence of validity may be provided by estimates of sensitivity, specificity, or positive predictive … This measurement error can result in biased estimates either away from or towards the null, making the … Evidence of validity may be provided by estimates of sensitivity, specificity, or positive predictive … Evidence of validity may be provided by estimates of sensitivity, specificity, or positive predictive

72. S149 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/s149.pdf
    October 01, 2007 - This choice can lead to unstable estimates due to small sample sizes, especially for skewed data such … Construct estimates of treatment effects such as absolute E{Y(EEE)} � E{Y(III)}or relative E{Y(EEE)}/ … The outcome estimates were qualitatively similar to the results pre- sented in the article. … However, estimates from our methodology should approximate the upper limit of effec- tiveness of a medication … Best estimates of diabetes prevalence in the Department of Veterans Affairs based on computerized patient

73. Management of Uterine Fibroids - Evidence Summary (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/evidence-summary-cer-195-uterine-fibroids-final.pdf
    December 01, 2017 - We calculated meta-estimates of the probability of leiomyosarcoma for all relevant studies and by study … Lack of precision means these estimates are not credibly different. … Some recent estimates in the literature find otherwise. … Uncertainty in estimates of prevalence and evolving data about methods for tissue extraction and their … Our estimates and that of Pritts and colleagues10 find that the estimates are lower in data from more

74. Progestogens-Preterm-Birth Executive (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/progestogens-preterm-birth_executive.pdf
    September 01, 2012 - Meta-Analysis We conducted a Bayesian meta-analysis to provide aggregate estimates of the effectiveness … We calculated meta-analysis estimates by using RCTs grouped by progestogen formulation (17OHP, oral, … For neonatal mortality, aggregate estimates indicated no formulation was effective at reducing risk … However, all formulations were effective at reducing the risk of preterm birth (meta-estimates: OR17OHP … In general, studies have also been too small to provide valid estimates of factors that may modify

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

76. Disposition of Comments for Progestogens for Prevention of Preterm Birth (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/progestogens-preterm-birth-disposition-121205.pdf
    September 07, 2012 - As above, we find the aggregate estimates of benefit among those with prior preterm birth to be squarely … We take some reassurance that providing summary evidence is sufficient since the meta-estimates for … Meta-estimates added to results section. … Point estimates and 95% confidence intervals are not consistently reported. … A summary table including all meta-estimates might be helpful.

77. Since their introduction in 20xx, DES have been shown in clinical trials to decrease TLR (… (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/coronary-stents-outcomes_research.pdf
    January 01, 2010 - were based upon Kaplan-Meier estimates for treatment-specific censoring distributions; whereas adjusted … estimates were based upon weights that were functions of Kaplan-Meier censoring estimates and propensity … score estimates.17,18 Adjusted hazard ratios were calculated according to the inverse probability … These models served to validate the adjusted hazard ratio estimates from the IPW Cox regression model … Such misclassification and underreporting should be non- differential, however, and should bias our estimates

78. S131 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/s131.pdf
    October 01, 2007 - of restrictions for use in pharmacoepidemiology and examines to what extent they change rate ratio estimates … RR estimates adjusted for age and sex also steadily increased. … For all earlier restrictions, it is less clear how much the observed change in RR estimates result from … We found that this change resulted in an observable but not substantial change in RR estimates in our … A, Unadjusted mortality rate ratio estimates; B, Multi- variate adjusted mortality rate ratio estimates

79. Disposition of Comments for Use of Natriuretic Peptide Measurement in the Management of Heart Failure (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/heart-failure-natriuretic-peptide_disposition-comments.pdf
    November 20, 2013 - Empirical Bayes estimates generated in a hierarchical summary ROC analysis agreed closely with those … For diagnostic questions this means either ‘can the sensitivity and specificity estimates found in … or ‘do these sensitivity and specificity estimates tell me that the patient will benefit from this … What is the direction of sensitivity estimates, for example? … But sensitivity and specificity estimates lay between 0% and 100%.

80. Grading_didactic_faculty_approved (ppt file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/grading.ppt
    January 01, 2010 - quantity of evidence, directness (or indirectness) of evidence, consistency of evidence, and precision of estimates … Includes considerations of: Statistical significance for effect estimates Confidence intervals for those … effect estimates Four Required Domains: Precision Four Required Domains: Precision Precision is the … These estimates were consistent, direct, and precise. … Had these estimates been precise and consistent (i.e., a narrower CI for the RCT, consistent cohort studies