-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/cad-women-diagnosis_executive.pdf
June 01, 2012 - More than
one NIT test is often required when the initial test results
are equivocal. … Systematic reviews of
diagnostic test accuracy. Ann Intern Med 2008;149(12):889-97. … Regression methods for meta-analysis
of diagnostic test data. … Methods Guide for
Medical Test Reviews [posted November 2010]. Rockville, MD. … The Accuracy of
the Electrocardiogram during Exercise Stress Test Based on Heart
Size.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/depression-postpartum-screening_disposition-comments.pdf
May 01, 2013 - Performance” or “Diagnostic Test Characterisitic”. … test performance and the resources required
to perform the test. … Conceptually, a more
resource-intensive test might be preferable to a
self-administered test if the … test
performance and the resources required to
perform the test. … Conceptually, a more resource-
intensive test might be preferable to a self-
administered test if the
-
effectivehealthcare.ahrq.gov/sites/default/files/ch_3-user-guide-to-ocer_130129.pdf
September 21, 2012 - A
test for interaction is conducted to evaluate if a
subgroup variable has a statistically significant … Even though the interaction test has low power to
detect a true difference in subgroup effects, there … The interaction test
will be statistically significant (at a significance
level of 0.05), on average … It should also be noted that a statistical test of
interaction does not correspond to an assessment … If the interaction test is not significant:
- Report ATE.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/heart-failure-natriuretic-peptide_executive.pdf
November 01, 2013 - Test Performance and Optimal Decision Cutpoints. … Determinants Affecting Test Performance. … Test Performance and Optimal Cutpoints. … Determinants Affecting Test Performance. … This should provide users of the
test with robust information on the applicability of the
test to patients
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/chronic-kidney-disease-anemia-2011_research-protocol.pdf
January 01, 2011 - Different forms of iron-deficiency
anemia could affect the diagnostic test performance of iron-status … Question 4
What factors affect the test performance and clinical utility of newer markers of iron … We
will use separate forms for questions related to diagnostic test performance (KQ 2) and factors … affecting the diagnostic test performance and the effectiveness of test-oriented treatments (KQ
4) … We will test the forms on several studies and revise as necessary before full data extraction.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/breast-biopsy-executive.pdf
December 01, 2009 - Studies of diagnostic test performance compare the
results of the experimental test to a reference test … The
reference test is intended to measure the “true” disease
status of each patient. … Studies of diagnostic test performance were examined
to see if they met the inclusion criteria. … In general, the
smaller the negative likelihood ratio, the more accurate
4
the diagnostic test is … However, each individual woman’s post-test
risk varies by her individual pre-test risk of malignancy.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/hepatic-fibrosis_white-paper.pdf
April 01, 2014 - No test for which we
obtained additional data was originally rated low strength of evidence. … No test for which we obtained additional data was
originally rated low strength of evidence, where … Comparison of test performance profile for
blood tests of liver fibrosis in chronic
hepatitis C. … How to
use an article about a diagnostic test. B. … Genet Test Mol Biomarkers.
2012 Jun;16(6):531-5. PMID: 22352690.
63.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/plasma-cell-dyscrasias-sflc-assay_disposition-comments.pdf
August 23, 2012 - This conundrum exemplifies the challenges
surrounding evaluation of a test in monoclonal disorders. … This was done to allow for a comparison of test accuracy
among patients that were not preselected as … “Hospital stays” may be an unrealistic outcome to
measure for a laboratory test (would performing a … Site as a future light chain test for
evaluation. … Finally, it is the most useful test in patients with
amyloidosis.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/colorectal-cancer-staging_disposition-comments.pdf
November 20, 2014 - Estimates of test performance should incorporate information from
all sources. … and the other imaging test in the
same patients. … So the test of choice is heavily dependent on the clinical
situation. … accuracy
Our own report was restricted to test accuracy studies that
examined comparative test performance … All of these
studies used PET/CT, compared test accuracy of PET/CT vs.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/TND-0713-140625.pdf
January 07, 2014 - interested in the adverse effects of pharmacotherapy
treatment options, and patient characteristics or test … effects of pharmacotherapy
treatment options; a better understanding of the patient characteristics or test … What are the patient characteristics or test results that can be used to determine
the optimal pharmacotherapy
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/breast-abnormalities-tests-update_disposition-comments.pdf
February 13, 2012 - We did calculate the positive likelihood ratios and used
those to illustrate post-test probability of … disease across a range of
pre-test probabilities. … Non-
invasive test such as MRI have unknown long term risk of Gd
exposure and PET, BSGI and MIBI have … Analytical framework schema
(page 27) indicates the non-invasive diagnostic test would
occur after … If an available non-invasive
diagnostic test could assist clinicians in evaluating women....
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/c-diff-infections_executive.pdf
December 01, 2011 - Direct comparisons of
diagnostic tests without a reference test were not
included. … We included
initial cure, recurrence (variably defined by symptoms
with or without a positive test for … Otherwise, there was only low-strength evidence for or
against differences in test specificities. … There was moderate
evidence that the test specificities in one comparison
did not differ. … Bayes’ formula, then the
differences in post-test probabilities might not lead to
different clinical
-
effectivehealthcare.ahrq.gov/products/methods-guidance-tests-bias/methods
-
effectivehealthcare.ahrq.gov/products/methods-guidance-tests-performance/methods
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/hypertension-pulmonary-arterial_executive.pdf
April 01, 2013 - structure and function of
the right heart in patients with pulmonary hypertension.7
However, this test … Therefore, although
transthoracic echocardiography is the standard screening
test for PAH, it is less … NT-proBNP) are two biological
substances found in the blood that have been studied as
a screening test … Thirty-four
studies used RHC as a reference test, 15 studies used
6MWD as a reference test, and 10 … studies used FC as a
reference test.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/renal-cancer_research-protocol.pdf
April 20, 2015 - Risk: Low/High/Unclear
Domain 2: Index Test(s) (complete for each index test used)
Were the index … test results interpreted without knowledge of the reference standard? … Methods to detect publication bias for
medical test studies are not robust. … Chapter 8: meta-analysis of test
performance when there is a "gold standard". … Methods Guide for Medical Test
Reviews.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/TND_0332_07-29-2010.pdf
January 01, 2010 - active treatment)
lead to improvements in health outcomes compared to a no-testing strategy, or are
test … Errors in test assay leading to inaccurate results.
b. … This test is already being marketed and there is a critical need for an understanding of how this
marker
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/cystic-fibrosis-hgh_appendixes.pdf
January 01, 2009 - Sweat Test: A standard diagnostic test for cystic fibrosis that measures the concentration of
chloride … Until death
or Dec 1984
Student’s t test
or Chi-square
test and Cox
proportional
hazards model … Until death or
Dec 1984
Student’s t test or
Chi-square test and
Cox proportional
hazards model … Until death or
transplant by
July 1993
Student’s t
test
6 minute
walk test
MD -101.7 m
NS … NR Student’s t
test
6 minute
walk test
MD -43 m
(95%CI
-53.23,
139.23)
NR
F-18
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/cancer-pancreas_disposition-comments.pdf
September 23, 2014 - The report acknowledges that CT is usually the first
test. … We did not want to assume
that the typical test is also the best test. … the literature to support test strategies. … We note that the accuracy of any given
imaging test could not be determined, since studies
did not … provide results separately for each
screening test.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/prostate-cancer-therapies-update_consumer.pdf
January 01, 2016 - � PSA blood test: This blood test tells how much PSA (a protein
made by the prostate gland) is in … If the test results are not normal, your doctor may recommend
more tests, such as a biopsy. … � T1: The cancer is too small to be felt during a digital rectal exam
or seen in an imaging test … � T2: The cancer can be felt during a digital rectal exam and may be
seen in an imaging test. … During checkups, your doctor may do a digital
rectal exam, a PSA blood test, a biopsy, or other tests