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effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-performance_methods.pdf
July 01, 2012 - Of the many challenges that pertain to issues with reference standards, we will
discuss only one, namely … Imperfect Reference Standards
What is meant by “imperfect reference standard,” and why is it
important … Diagnostic Accuracy, or the Case of the “Perfect” Reference Standard
A “perfect” reference standard … Identifying (Defining) the Reference Standard
One consideration is what reference standard is most … Meta-
analysis of diagnostic tests with imperfect
reference standards.
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effectivehealthcare.ahrq.gov/sites/default/files/wysiwyg/missing-data-registries-guide-3rd-ed-addendum-white-paper.pdf
February 01, 2018 - While the STROBE Statement focuses on items to include in
reports of study findings, the PCORI standards … In
addition to the items covered by the STROBE Statement, the PCORI standards include a
requirement … In terms of reporting results, the PCORI standards require the information
included in the STROBE Statement … “The PCORI
Methodology
Report.” www.pcori.org/research-we-
support/research-methodology-standards. … http://www.pcori.org/research-we-support/research-methodology-standards
Contents
Introduction
Reasons
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effectivehealthcare.ahrq.gov/sites/default/files/related_files/medical-test-reviews-options-summarizing.ppt
June 01, 2012 - An “imperfect reference standard” is a reference standard test that misclassifies “true” status at a … lead to reference standard bias. … Reference Standard Validity
Most reference standards are not perfect, and we accept this. … Meta-analysis of diagnostic tests with imperfect reference standards. … Meta-analysis of diagnostic tests with imperfect reference standards.
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effectivehealthcare.ahrq.gov/sites/default/files/medical-test-reviews-options-summarizing.ppt
June 01, 2012 - An “imperfect reference standard” is a reference standard test that misclassifies “true” status at a … lead to reference standard bias. … Reference Standard Validity
Most reference standards are not perfect, and we accept this. … Meta-analysis of diagnostic tests with imperfect reference standards. … Meta-analysis of diagnostic tests with imperfect reference standards.
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effectivehealthcare.ahrq.gov/sites/default/files/wysiwyg/white-paper-library-asthma.pdf
April 01, 2019 - 2017Jan/index.html
https://ecqi.healthit.gov/
https://vsac.nlm.nih.gov/
http://www.hl7.org/implement/standards … http://www.hl7.org/implement/standards/product_brief.cfm?
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/glaucoma-screening_research-protocol.pdf
November 16, 2010 - Standards
Key Questions 1, 2, 4, 5, and 6 explore comparisons of the interventions mentioned above … Key Question 3
explores comparisons of screening/diagnostic tests to the gold/reference standards of … The reference standards for Key Question 3 were adapted from a
http://www.effectivehealthcare.ahrq.gov … standard) are performed on all participants and in which participants
are randomized to one test ( … standard, masked
interpretation of results of tests and reference standard, and study withdrawal.
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/c-difficile-update_research-protocol.pdf
December 23, 2014 - Tests in which the reference standard is
not applied to all samples. … For diagnostic studies we will look at the reference standards and base contrasts on
the type of reference … use toxigenic culture as the reference
standard. … If different reference standards are used for specific subgroups (such as study
site) and no one is … used across all the samples, then we will use the reference standard
that was used in interpretation
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effectivehealthcare.ahrq.gov/sites/default/files/related_files/liver-cancer_disposition-comments.pdf
October 23, 2014 - standard. … Diagnostic criteria (reference standards) varied
between trials from explanted liver examination to … Effects of different reference standards are addressed
in KQ 1.a.i and KQ 2.a.i. … standard. … Peer Reviewer
#7
General However, the questions about the different reference standards,
intermediate
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effectivehealthcare.ahrq.gov/sites/default/files/wysiwyg/white-paper-lung-cancer.pdf
August 01, 2021 - on FHIR version
https://ecqi.healthit.gov/
https://vsac.nlm.nih.gov/
http://www.hl7.org/implement/standards … and existing
CDEs.
3 http://hl7.org/fhir/2017Jan/index.html
http://www.hl7.org/implement/standards
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effectivehealthcare.ahrq.gov/sites/default/files/branson-text.pdf
October 13, 2011 - ”
§ Set the standards high.
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effectivehealthcare.ahrq.gov/sites/default/files/study-size-planning-chapter-9.pptx
January 01, 2013 - Many journal editorial boards have endorsed reporting standards that ask investigators to report the … Reporting on the rationale underlying the size of treatment arms is clearly specified in the Consolidated Standards … CONSORT GROUP (Consolidated Standards of Reporting Trials).
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/chronic-kidney-disease-anemia-2011_research-protocol.pdf
January 01, 2011 - What reference standards are used for the diagnosis of iron status in studies evaluating
test accuracy … standards
Type of dialysis (i.e., peritoneal or hemodialysis)
Patient subgroups (i.e., age, … standard used to analyze
sensitivity and specificity in the original study, such as functional iron … standard, analytic details, and outcomes. … standard.
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-report-translation-c-diff-treatment-clinical-pathway.pdf
November 01, 2019 - To Support Quality Improvement Programs for Health Systems............................ 18
Improved Standards … SMART on FHIR: a standards-based,
interoperable apps platform for electronic health
records. … International Health Terminology Standards
Development Organisation (IHTSDO).
SNOMED CT. … International Health Terminology
Standards Development Organisation.949
28. … P247 A
Simple guideline appraisal instrument based on
IOM standards.
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effectivehealthcare.ahrq.gov/sites/default/files/related_files/wireless-motility-capsule_executive.pdf
May 01, 2013 - We considered gastric scintigraphy and clinical symptoms
to be reference standards and ROM to be a nonreference … For measures of diagnostic accuracy when there
was a reference standard, we summarized the results in … reference standard.11, 25, 34 In another three studies
that did not report blinding, we were able to … Our ability to compare studies was limited
by lack of consistency in the definition of reference
standards … The non-reference standard test was often a
community-based ROM study of varying protocol.
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effectivehealthcare.ahrq.gov/sites/default/files/related_files/ptsd-dispositIon-comments-2022.pdf
January 01, 2022 - Perhaps the authors want to suggest new standards for the
field? … While suggesting new standards is outside the
scope of this report, the Summary and
Implications section … It might be helpful
if they also provided clear recommendations for reporting
standards as a guide … for researchers
While suggesting new standards is outside
the scope of this report, the Summary and … The term validation implies a level of quantitative
comparison against some reference standard and that
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effectivehealthcare.ahrq.gov/sites/default/files/s44.pdf
October 01, 2007 - ORIGINAL ARTICLE
Designed Delays Versus Rigorous Pragmatic Trials
Lower Carat Gold Standards Can Produce … Measures: A draft checklist of 22 Consolidated Standards of Re-
porting Trials (CONSORT). … epidemiologists, journal
editors, and policymakers who had conducted PRTs or coau-
thored papers on Consolidated Standards … RESULTS
Comparison With Standards for Pragmatic
Randomized Trials
Table 1, showing results of our reassessment … In that sense, DD trials are “low-carat” gold standards that
can produce locally more relevant evaluations
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-bias_methods.pdf
July 01, 2012 - standard, so the disease is at a more advanced stage when the
reference standard is performed. … Reference Standard and Verification Procedure
Inappropriate reference
standard
Errors of imperfect … Risk: Low/High/Unclear
Domain 3: Reference Standard
Is the reference standard likely to correctly … (Yes/No/Unclear)
Did all patients receive a reference standard? … NO: Not all relatives receive verification via the reference standard.
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effectivehealthcare.ahrq.gov/sites/default/files/ahrq_community_forum_webinar_branson.pdf
October 13, 2011 - ”
– Set the standards high.
Significant Work. Extraordinary People.
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effectivehealthcare.ahrq.gov/sites/default/files/related_files/trauma-informed-care-disposition-comments.pdf
January 14, 2025 - very supportive of the systematic review
methods used in the report, others were concerned that the standards … The full guidelines will be made available via this
link soon: APA-approved standards and guidelines … effectivehealthcare.ahrq.gov/products/trauma-informed-care/research
https://www.apa.org/research-practice/standards-guidelines … https://www.apa.org/research-practice/standards-guidelines
Source: https://effectivehealthcare.ahrq.gov
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-bias-individual-studies_methods.pdf
March 01, 2012 - : as greater evidence accumulates in this
methodological area, our standards will continue to evolve … When possible, our recommended
standards offer flexibility to account for the wide range of AHRQ EPC … Finding what works in
health care: standards for systematic
reviews. … Hence, reports
of construct validity need to be interpreted in light of the tool used as the reference … standard for
comparisons.