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effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/prostate-cancer-test_executive.pdf
April 01, 2013 - 11
Also, issues such as who to test, when
to test and retest, and the most effective
clinical tPSA … The intended use of
the test is to inform decisionmaking about repeat biopsy. … An AUC of 1.0 indicates a perfect
test, and an AUC of 0.5 indicates a worthless test.
4
matching … was preserved by computing differences
between PCA3 test results and comparator test results
within … The effect of even a great test is limited if uptake is
low.
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effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/test-performance-metrics_appendixes.pdf
January 01, 2005 - A-1
Appendix: Test Performance Metrics
The basic definitions of test performance are based upon … It expresses the ability of a medical test to maximize true positives. … It expresses
the ability of a test to minimize false positives. … If the threshold (cutpoint) for
test positive is set higher—say when the test provides a continuously … How to
use an article about a diagnostic test. B.
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effectivehealthcare-admin.ahrq.gov/products/test-performance-metrics
March 01, 2021 - SHARE:
Appendix: Methods Guide for Medical Test … Reviews: Test Performance Metrics
Project Timeline
May 21, 2012 … created December 2020
Internet Citation:
Appendix: Methods Guide for Medical Test … Reviews: Test Performance Metrics. … https://effectivehealthcare.ahrq.gov/products/test-performance-metrics
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effectivehealthcare-admin.ahrq.gov/products/test-performance-metrics/appendixes
December 01, 2019 - “true disease status” and the test results (Appendix Table). … It expresses the ability of a test to minimize false positives. … If the threshold (cutpoint) for test positive is set higher—say when the test provides a continuously … How to use an article about a diagnostic test. B. … Project Timeline
Appendix: Methods Guide for Medical Test Reviews: Test Performance Metrics
May
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effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/prostate-cancer-test_research-protocol.pdf
October 14, 2011 - Was the reference standard independent of the index test (i.e., the index test did not form
part of … Was the execution of the index test described in sufficient detail to permit replication of the
test … when the test is used in practice? … For the pooled
results, was a test done to assess homogeneity (i.e., Chi-squared test, I2)? … but decrease test specificity.
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effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-metaanalysis_methods.pdf
July 01, 2012 - Methods Guide for Medical Test Reviews
8-1
Chapter 8
Meta-Analysis of Test Performance
When … Introduction
The Methods Guide to Medical Test Reviews (also referred to as the Medical Test Methods … This chapter of the Medical Test Methods Guide focuses on choosing strategies for meta-
analysis of test … questions driving the evidence synthesis (e.g., “Is this test alone or in combination
with a test-and-treat … medical test evidence focuses on summarizing test
performance data; thus their meta-analysis was chosen
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effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-bias_methods.pdf
July 01, 2012 - in
Medical Test Studies
P. … Variation in test technology
When the characteristics of a medical test change over time as a result … of an index test. … the
sensitivity and specificity of the test may lead to over-optimistic measures of
test performance … Risk: Low/High/Unclear
Domain 2: Index Test(s) (complete for each index test used)
Were the index
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effectivehealthcare-admin.ahrq.gov/products/rtc-design-principles/research
January 01, 2019 - replacement for the existing test, an add-on test after the existing test, or as a triage test before … test. … test? … The add-on test
Difference in test-treatment pathway using add-on test shown in black
TP= true … The triage test
Difference in test-treatment pathway using triage test shown in black
TN = true
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effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests-outcomes/methods
October 01, 2019 - Screening Test
Diagnostic Test
Prognostic Test
Clinical management
+
+++
+++ … , a diagnostic test, and a prognostic test. … Costs of the test. … Direct test effects. The test under consideration is a radiographic test. … Costs of the test.
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effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests-introduction/methods
December 01, 2019 - This Methods Guide for Medical Test Reviews (referred to hereafter as the Medical Test Methods Guide … Development of the Medical Test Methods Guide
In developing this Medical Test Methods Guide , we sought … Indeed, test performance characteristics have been treated as sufficient criteria of test value (i.e. … prognosis category
Diagnostic accuracy efficacy
Clinical validity
Test accuracy
Test performance … C
Comparator
Comparator test-and-treat strategy
Desciption of comparator test performance
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effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests-performance/methods
December 01, 2019 - with a reference test. … Perhaps the simplest case of test performance evaluation includes an "index test" and a reference test … (+)
Reference Test (-)
Index Test (+)
Index Test (-)
We now … One explores how well one test agrees with the other test(s), and perhaps asks if one test can be used … Comparison of a screening test and a reference test in epidemiologic studies. II.
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effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests-bias/methods
December 01, 2019 - Test Protocol: Materials and Methods
Variation in test execution
A sufficient description of … Variation in test technology
When the characteristics of a medical test change over time as a result … of an index test. … the sensitivity and specificity of the test may lead to over-optimistic measures of test performance … Risk: Low/High/Unclear
Domain 2: Index Test(s)
(complete for each index test used)
Were the
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effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests-applicability/methods
December 01, 2019 - test (i.e., as a replacement), but in reality the test is proposed to be used as a triage test to guide … Alternate or “usual” test used in the studies. … Exclude a priori if test results cannot be mapped to disease status (i.e., 2x2 or other test performance … Placement of test in the sequence of care (e.g. relationship of test to treatment or follow-on management … Routine Preventive Care Over Time
Routine use of a medical test as a screening test might be considered
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effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests/slides
December 01, 2019 - Evidence Reports
Training Modules for the Methods Guide for Medical Test … SHARE:
Training Modules for the Methods Guide for Medical Test … Modules*
Introduction to the Methods Guide for Medical Test Reviews (PPT; 1.4 MB)
Developing the … Reviews of Medical Tests (PPT; 2.0 MB)
Assessing Risk of Bias as a Domain of Quality in Medical Test … Studies (PPT; 2.1 MB)
Assessing Applicability of Medical Test Studies in Systematic Reviews (PPT
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effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests-metaanalysis/methods
December 01, 2019 - Introduction
The Methods Guide to Medical Test Reviews (also referred to as the Medical Test Methods … test “accuracy,” or more preferably, test performance. … questions driving the evidence synthesis (e.g., "Is this test alone or in combination with a test-and-treat … medical test evidence focuses on summarizing test performance data; thus their meta-analysis was chosen … Cochrane Diagnostic Test Accuracy Working Group.
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March 01, 2021 - https://effectivehealthcare.ahrq.gov/products/prostate-cancer-test
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effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests-prognostic/methods
December 01, 2019 - Therefore, the “reference test” for a prognostic test is the observed proportion of the population who … Much as for a diagnostic test, a systematic review of a prognostic test could then assess the accuracy … effect in subgroups defined by the predictve test, along with a statistical test for interaction between … Was the test used and interpreted the same way by all sites/studies including any interdeterminate test … Grouped Mortality Probabilities Estimated by the First Prognostic Test + a New Prognostic Test
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effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests-topics/methods
December 01, 2019 - pathways, technical details of the test, characteristics of clinicians or operators using the test, management … to improved clinical outcomes, compared to an existing test. … as the old test and the new test has advantages over the old test, such as causing fewer adverse effects … under evaluation and the comparator test. … the old test and the new test has advantages over the old test, such as having fewer adverse effects,
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effectivehealthcare-admin.ahrq.gov/products/methods-guidance-tests-decision-models/methods
December 01, 2019 - Define how the test will be used. … (test-and-treat strategy) based on considerations of test characteristics alone. … no PET as an add-on test). … However, in other cases, harms can be induced both by the treatment and the test (e.g., if the test is … the clinical utility of a test.
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effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guide-editorial_methods.pdf
July 01, 2012 - Methods Guide for Medical Test Reviews - Editorial
E-1
Editorial
Methods Guide for Authors of … The most common outcome in
an evaluation of this test is the accuracy of the test in identifying clinically … Clinicians, while interested in this proxy outcome, would find more value in the
ability of the test … Cochrane Diagnostic Test Accuracy
Working Group. Handbook for DTA
reviews. … Editorial printed in Methods Guide for Medical Test Reviews
(AHRQ Publication No. 12-EHC017).