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Showing results for "estimates".

101. 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

102. Topic Suggestion Description | Effective Health Care Program
     effectivehealthcare.ahrq.gov/get-involved/nominated-topics/for-adult-patients-with-bipolar-disorder-including-bipolar-i-and-bipolar-ii-disorder-what-is-the-comparative-effectiveness-of-available-treatments-including-psychotherapy-other-psychosocial-treatments-medications-and-other-so
     April 22, 2013 - and about 1% meet diagnostic criteria for bipolar II disorder (Merikangas et al. 2007), with other estimates … from community samples yielding estimates of up to approximately 4% for both bipolar I and II (Kessler … These estimates of prevalence are considered conservative, because of differences in diagnostic definitions

103. Grading_didactic_faculty_approved (ppt file)
     effectivehealthcare.ahrq.gov/sites/default/files/grading.ppt
     January 01, 2013 - 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 Precision is the degree of certainty surrounding … 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

104. 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

105. 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.

106. 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

107. 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.

108. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/cancer-ovarian-contraceptives_research-protocol.pdf
     March 13, 2012 - The model will allow greater flexibility in exploring the potential effects of these issues on estimates … For each outcome, we will use currently available estimates of lifetime risk, prevalence of OC use, … and relative risk (or relative risk reduction) for that outcome in OC users to generate estimates of … and cervical cancer, MI, stroke) • Death from these other conditions We will summarize these estimates … that provide any relevant data for model parameterization can be used to provide initial parameter estimates

109. Cancer-Pancreas Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cancer-pancreas_executive.pdf
     September 01, 2014 - ranging from 85 percent to 93 percent and specificity estimates ranging from 94 percent to 100 percent … ) • For diagnosis using MRI, three systematic reviews yielded sensitivity estimates of 84 percent to … 86 percent and specificity estimates of 82 percent to 91 percent.20-22 (Strength of evidence from … ) • For diagnosis using PET/CT, three systematic reviews yielded sensitivity estimates of 87 percent … to 90 percent and specificity estimates of 80 percent to 85 percent.20,23,24 (Strength of evidence

110. GRADING THE STRENGTH OF A BODY OF EVIDENCE (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-grading-evidence_methods.pdf
     November 01, 2013 - They look for consistency in direction of effect estimates in relation to the line that distinguishes … For example, if all studies except one show estimates of effect in the same direction, but the CI for … that one study overlaps the CIs for the estimates of effect in the other studies, then this body of … Precision of outcome data estimates is incompletely or not reported. … SMD estimates ranged from 0.13 to 0.94.

111. Empirical and Simulation-Based Comparison of Univariate and Multivariate Meta-Analysis for Binary Outcomes | Effective Health Care (EHC) Program
     effectivehealthcare.ahrq.gov/products/methods-binary-outcomes-evaluation/research
     March 20, 2013 - In an accompanying simulation study, we compared summary estimates and their standard errors with univariate

112. 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

113. 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

114. Data Points #1: Prevalence of diabetes, diabetic foot ulcer, and lower extremity amputation among Medicare beneficiaries, 2006-2008. | Effective Health Care (EHC) Program
     effectivehealthcare.ahrq.gov/products/diabetes-foot-ulcer-amputation-prevalence/research
     February 17, 2011 - These estimates are based on self-reports and are thought to underestimate the true prevalence by one-third … As expected, this is about one-third higher than previous CDC prevalence estimates.

115. Data Points #11: Newly Medicare-eligible disabled: comparison of duals and nonduals | Effective Health Care Program
     effectivehealthcare.ahrq.gov/products/medicare-eligible-disabled/research
     June 15, 2012 - lived in institutional settings, and a 2003 estimate suggested a similar rate of 9.4 percent.9 These estimates … Most estimates suggest that disability rates among working-aged adults are rising.

116. Ch 2-User-Guide-To-Ocer 130129 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/ch_2-user-guide-to-ocer_130129.pdf
     January 01, 2011 - Confounding leads to biased treatment effect estimates unless controlled for by design (randomization … Nondifferential measurement error in exposures and outcomes tends to bias treatment effect estimates … To do so, the design uses controls as in a case-control design but estimates a case-crossover odds … Description As with the case-crossover design, the self- controlled case-series design estimates the … Evidence of bias in estimates of influenza vaccine effectiveness in seniors.

117. Cer-242-Radiation-Therapy-Brain-Metastases-Evidence-Summary (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/cer-242-radiation-therapy-brain-metastases-evidence-summary.pdf
     June 01, 2021 - quality of life, functional status, and cognitive function were often too limited to determine effect estimates … neurocognitive decline and two favored the SRS alone group compared to SRS plus WBRT but summary effect estimates … memantine and hippocampal avoidance WBRT have only been reported in individual studies and summary estimates

118. Comparative Effectiveness of Hepatitis C Treatment Adherence Interventions | Effective Health Care (EHC) Program
     effectivehealthcare.ahrq.gov/products/hepatitis-c-treatment-adherence/research-protocol
     November 08, 2011 - The Centers for Disease Control and Prevention (CDC) estimates that 18,000 Americans were newly infected … We will document what methods the authors used to deal with loss to followup and the resulting estimates … , including effect measures, point estimates, 95 percent confidence intervals (95% CIs), and p -values … We will document the results reported by the authors, including effect measures, point estimates, 95% … On the basis of study characteristics, study quality, precision of estimates, and magnitude of effects

119. Transparency of Reporting Requirements Project: Management of Infertility | Effective Health Care (EHC) Program
     effectivehealthcare.ahrq.gov/products/transparency-infertility/research-protocol
     September 03, 2016 - 3, 2016 Download Main Document PDF 316.7 KB Background Selective reporting can bias estimates … Goals The overall goal of this project is to determine whether selective reporting introduces biased estimates … Therefore, our project coordinator will send weekly queries to co-investigators asking for estimates … These estimates will be tracked in an excel spreadsheet.

120. Template for Reports Developed (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/primary-healthcare-spending-draft-tech-brief-appendixes.pdf
     August 08, 2023 - What are the implications of different definitions of primary care on estimates of primary care spending … -2011- Framework.pdf Google OECD report on primary care spending estimates among participating … Spending on Primary Care: First Estimates. Dec 2018. … Deriving Preliminary Estimates of Primary Care Spending under the SHA 2011 Framework. 2019. … https://www.oecd.org/health/health- systems/Preliminary-Estimates-of-Primary- Care-Spending-under-SHA