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effectivehealthcare.ahrq.gov/sites/default/files/use_of_handheld_ebell_presentation.pdf
January 01, 2009 - Ebell_Presentation_REVISED_FINAL
Source:
Eisenberg
Center
Conference
Series
2009,
Translating
Information
Into
Action:
Improving
Quality
of
Care
Through
Interactive
Media,
Effective
Health
Care
Program
Web
site
(http://www.effectivehealt…
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effectivehealthcare.ahrq.gov/sites/default/files/related_files/pharma-nonpharma-ptsd-2022-update-executive-summ.pdf
January 01, 2022 - • For studies added in this update, we abstracted data to calculate standardized
effect sizes for
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effectivehealthcare.ahrq.gov/sites/default/files/related_files/cad-pci-bypass_appendixes.pdf
October 06, 2006 - Thus, we could not calculate an odds ratio for these studies.
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/arthritis-knee-physical-therapy_research-protocol.pdf
April 01, 2010 - For
categorical variables we will abstract a number of events among treatment groups to calculate
rates … Means and standard deviations of continuous
variables will be abstracted to calculate mean differences … For RCTs, we will abstract the number randomized to each treatment group as the
denominator to calculate … We will calculate differences in relative risk and absolute risk from the abstracted events by
using … We will calculate mean differences in
continuous variables from the reported means and standard deviations
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effectivehealthcare.ahrq.gov/sites/default/files/related_files/breast-biopsy_surveillance.pdf
July 01, 2012 - validity of CER
conclusion(s)
Prior
Assessment
Cumulative
Assessment
It was not possible
to calculate … Up-to-date Up-to-date
It was not possible
to calculate the
ADH
underestimation
rate for ultrasound … Up-to-date Up-to-date
It was not possible
to calculate the
DCIS
underestimation
rate for freehand … Up-to-date Up-to-date
It was not possible
to calculate the
December 2011 - Wei
(2011) reported
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/diagnostic-tests-accuracy_research.pdf
January 01, 2013 - between-study correlations between TPRs and FPRs
(such as those induced by threshold effects), and calculate … reported counts of
the results of each test.13-23 Five studies reported sufficient information to calculate … infants with trisomy 21 and among healthy infants,13-16,20 1
study reported sufficient information to calculate … Observational Model: Multivariate Normal (Approximate)
Likelihood
We calculate sample estimates for … For a covariance matrix C we have to calculate the lengths of the half axes for the one-standard-
error
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/meditation_research-protocol.pdf
October 17, 2012 - For studies amenable to pooling with meta-analyses, we will calculate pooled mean differences, risk … When we are unable to pool studies, we will calculate and display the individual mean differences, risk … Since many trials do not provide enough
information to calculate a confidence interval
around the difference … For studies amenable to pooling with
meta-analyses, we will calculate
pooled mean differences, risk … When we are unable to pool studies,
we will calculate and display the
individual mean differences,
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-metaanalysis_methods.pdf
July 01, 2012 - we
propose to obtain summaries for sensitivities and specificities via meta-analysis, and to back-
calculate … interpretation as likelihood ratios or predictive
values,10 we can use formulas in the Appendix to back-calculate … sensitivity and specificity (Se+ and Sp+; a row of two boxes after the horizontal black line) to back-calculate … and specificity use the theoretically motivated
bivariate meta-analysis models.
8-17
o Back-calculate … o Back-calculate overall positive and negative likelihood ratios from summary
estimates of sensitivity
-
effectivehealthcare.ahrq.gov/sites/default/files/data-extraction.ppt
January 01, 2009 - If the necessary numbers are not directly available, one would have to calculate them from sufficient … However, when a content expert has no methodological background, he or she may be unable to back-calculate … reports give effect size, standard normal deviates, or exact p-values, the quantitative reviewer must calculate
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/ptsd-6-protocol.pdf
December 07, 2024 - Pharmacologic and Nonpharmacologic Treatments for Posttraumatic Stress Disorder: An Update of the PTSD Repository Evidence Base
Evidence-based Practice Center Systematic Review Protocol
Project Title: Pharmacologic and Nonpharmacologic Treatments for Posttraumatic
Stress Disorder: An Update of the PTSD Re…
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/gestational-diabetes-screening-diagnosis_research-protocol.pdf
December 16, 2011 - If necessary, we will approximate means by medians and use 95%
confidence intervals to calculate approximate … We will calculate p-values
when they are not reported.
26
For KQ1, we will construct 2x2 tables … and calculate sensitivity, specificity, positive and
negative predictive values, reliability and yield … For continuous variables, we will calculate mean differences for individual studies.
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effectivehealthcare.ahrq.gov/sites/default/files/related_files/breast-cancer-medications_executive.pdf
September 01, 2009 - difference
Insufficient Data are inadequate to calculate outcomes or are not reported.
5
Key Question … difference
Insufficient Data are inadequate to calculate outcomes or are not reported.
7
Key Question
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/glaucoma-screening_research-protocol.pdf
November 16, 2010 - Measures of treatment effect
We will calculate summary risk ratios or odds ratios as appropriate for … For Key
Question 3, we will calculate diagnostic odds ratios. … We will verify normality of continuous outcomes
and calculate mean differences; standardized mean differences
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/preterm-birth-terbutaline-pump_research-protocol.pdf
October 18, 2010 - As appropriate for each outcome outlined in KQ1 through KQ4, we will calculate
the following summary … confidence intervals:
• For continuous outcomes (e.g., gestational age at delivery, birthweight) we will
calculate … neonatal brochopulmonary dysplasia,
retinopathy of prematurity, maternal pulmonary edema) we will calculate … • For the time to event outcome (i.e. time to delivery) we will calculate the
pooled hazard ratio … , dislodgement and overdoses) we will
pool reported incidence data using a random effects model to calculate
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/c-difficile-update_research-protocol.pdf
December 23, 2014 - available, we will use statistical differences to
assess efficacy and comparative effectiveness and calculate … Since two primary endpoints
will be used, sensitivity and specificity, we will calculate 99 percent … Depending on the heterogeneity of prevalence of CDI in diagnostic accuracy
studies, we may also calculate … Further, when possible, we will calculate positive and negative
likelihood ratios that allow clinicians … We will calculate risk ratios (RR)
and absolute risk differences (RD) with the corresponding 95 percent
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/urinary-incontinence-treatment_research-protocol.pdf
September 30, 2010 - For categorical variables we
will abstract a number of events among treatment groups to calculate rates … Means and standard deviations of continuous variables will be
abstracted to calculate mean differences … trials (RCTs), we will abstract the number randomized to each
treatment group as the denominator to calculate … We will calculate relative risk and absolute risk difference from the abstracted events using
Meta-analyst91 … We may calculate standard
deviations when authors report standard errors:
Standard deviation
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/medical-test-reviews-options-summarizing.ppt
June 01, 2012 - Using the classical paradigm, calculate “naïve” estimates of the index test’s sensitivity and specificity … Calculate “naïve” estimates of the index test sensitivity (Se) and specificity (Sp), ignoring imperfection … Analysis Option 3:
Calculate “Naïve” Estimates and Discuss Bias
Trikalinos TA, Balion TA. … Analysis Option 3: Calculate “Naïve” Estimates and Discuss Bias
Option three calculates the estimates … Calculate estimates of the index test’s sensitivity and specificity from each study, but qualify the
-
effectivehealthcare.ahrq.gov/sites/default/files/medical-test-reviews-options-summarizing.ppt
June 01, 2012 - Using the classical paradigm, calculate “naïve” estimates of the index test’s sensitivity and specificity … Calculate “naïve” estimates of the index test sensitivity (Se) and specificity (Sp), ignoring imperfection … Analysis Option 3:
Calculate “Naïve” Estimates and Discuss Bias
Trikalinos TA, Balion TA. … Analysis Option 3: Calculate “Naïve” Estimates and Discuss Bias
Option three calculates the estimates … Calculate estimates of the index test’s sensitivity and specificity from each study, but qualify the
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/cancer-drugs-utilization-cost_research.pdf
January 01, 2011 - Utilization and cost of anticancer biologic products
among Medicare beneficiaries, 2006-2009
Data Points #6Anticancer Biologics
From 2006 to 2009, over 800,000
Medicare fee-for-service
beneficiaries continuously
enrolled in Parts A and B had a
claim for an anticancer biologic
of interest.
Bevacizumab was the m…
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/trauma-child-interventions_disposition-comments.pdf
February 11, 2013 - We did not use any data from unreported
studies (e.g., Kramer and Landolt, 2011) to
calculate our effect