Results

Total Results: 2,017 records

Showing results for "estimates".

  1. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/ehc-presentation-quantitative-synthesis-chapter-4.pdf
    July 01, 2019 - Learning objective Statistical heterogeneity • Statistical heterogeneity occurs when estimates across … According to the 2019 Cochrane handbook, I2 describes the percentage of the variability in effect estimates
  2. effectivehealthcare-admin.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
  3. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/effect-dietary-digestible.pdf
    January 01, 2021 - meta-analysis is appropriate (i.e., more than 2 studies address the same PICOTS and provide point estimates … If a 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 substantial difference in estimates … derived from high or unclear risk of bias studies versus estimates derived from studies at low risk
  4. effectivehealthcare-admin.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
  5. effectivehealthcare-admin.ahrq.gov/health-topics/alcohol
    November 07, 2023 - An Empirical Evaluation of the Impact of Choice of Mean Difference Estimates
  6. effectivehealthcare-admin.ahrq.gov/products/effect-dietary-digestible/protocol
    December 01, 2023 - a meta-analysis is appropriate (i.e., more than 2 studies address the same PICOTS and provide point estimates … If a 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 substantial difference in estimates … derived from high or unclear risk of bias studies versus estimates derived from studies at low risk
  7. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/bereaved-persons-research-executive-summ.pdf
    March 01, 2025 - /A Insufficient Peer Support Depression symptoms Both studies reported positive effects, but the estimates … Insufficient Self-help intervention Quality of life Both studies reported positive effects, but the estimates … Comprehensive Provider Support Quality of life Both studies reported positive effects, but the estimates
  8. effectivehealthcare-admin.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.
  9. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/ems-911-workforce-mental-health-executive-summary.pdf
    February 01, 2025 - health or occupational stress issues: o Among telecommunicators during routine practice, prevalence estimates … o Among EMS clinicians during routine practice, prevalence estimates were: suicidal ideation 33 percent … For KQ1, there was considerable variation in prevalence and severity estimates across studies for various
  10. effectivehealthcare-admin.ahrq.gov/products/pressure-ulcer-treatment/research-protocol
    December 01, 2019 - Estimates of the incidence of pressure ulcers vary according to the setting and range from 0.4 to 38.0 … patients to full functioning. 2 Data on the costs of treatment for a pressure ulcer vary, but some estimates … Meta-analyses will be conducted to summarize data and obtain more precise estimates on outcomes for which … The Q statistic and/or the I 2 statistic (the proportion of variation in study estimates due to heterogeneity
  11. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/transparency-infertility_research.pdf
    June 01, 2017 - ............................... 7 v Background and Objectives Selective reporting can bias estimates … CT.gov for detecting selective reporting, and to determine the impact of selective reporting on the estimates … Therefore, our project coordinator sent regular queries to co-investigators asking for estimates of … These estimates were tracked in an Excel spreadsheet.
  12. S131 (pdf file)

    effectivehealthcare-admin.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
  13. effectivehealthcare-admin.ahrq.gov/products/grant-manuscripts/randomized-clinical-trials-abstract
    June 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 …
  14. effectivehealthcare-admin.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%.
  15. effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests-bias/methods
    December 01, 2019 - aspects of data analysis, applicability, whether ethics approval is specified, and whether sample size estimates … Therefore, demographic features or disease severity may lead to variations in estimates of test performance … Context bias Prevalence of the target condition varies according to setting and may affect estimates … results to be positive more frequently in settings with higher disease prevalence, which may also affect estimates … change over time as a result of technological improvement or the experience of the operator of the test, estimates
  16. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/pressure-ulcer-treatment_research-protocol.pdf
    November 08, 2011 - Estimates of the incidence of pressure ulcers vary according to the setting and range from 0.4 to 38.0 … patients to full functioning. 2 Data on the costs of treatment for a pressure ulcer vary, but some estimates … Meta-analyses will be conducted to summarize data and obtain more precise estimates on outcomes for … The Q statistic and/or the I 2 statistic (the proportion of variation in study estimates due to heterogeneity
  17. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/ehc-presentation-quantitative-synthesis-chapter-3.pdf
    February 01, 2018 - Quantitative Synthesis Chapter 3. Choice of Statistical Model for Combining Studies Quantitative Synthesis Chapter 3. Choice of Statistical Model for Combining Studies Prepared for: The Agency for Healthcare Research and Quality (AHRQ) Training Modules for Systematic Reviews Methods Guide www.ahrq.gov Presenter…
  18. TND-485-09-03-2013 (pdf file)

    effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/TND-485-09-03-2013.pdf
    January 01, 2013 - advance care plan Key Questions from Nominator: Will a decision aid, using individualized estimates
  19. effectivehealthcare-admin.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-s
    November 01, 2017 - 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
  20. effectivehealthcare-admin.ahrq.gov/products/methods-guidance-grading-strength/methods
    December 01, 2019 - quantity of evidence, directness (or indirectness) of evidence, consistency of evidence, and precision of estimates … reasons, EPCs should also present information that will help decisionmakers judge the risk of bias in the estimates … strength from different types of studies—specifically on the four required domains—and it displays estimates … Had these estimates been precise and consistent (e.g., narrower CI for the RCT, consistent cohort studies

Search the AHRQ Archive

Information and reports more than 5 years old may be found in the AHRQ Archive site.

Search Archive

Search Within A Specific AHRQ Site

You selected to view results for the following site: