Results

Total Results: 2,586 records

Showing results for "tests".
Users also searched for: colon

101. Methods Guide for Medical Test Reviews Chapter 12 (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-prognostic_methods.pdf
     July 01, 2012 - tests do not necessarily address the most important questions about prognostic tests that are used … tests, are appropriate topics for systematic reviews. … These are commonly known as predictive tests. … In contrast to diagnostic tests, many prognostic tests are incorporated into multivariable regression … Many studies of prognostic tests do not provide this ultimate evidence.

102. Additional Patient Outcomes and Alternative Pathways in Evaluations of Testing | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/outcomes-testing-evaluation/research
     January 01, 2019 - based on an understanding of how tests can benefit or harm patients. … and so should tests already in use when doubts exist about their value. … to undergoing other tests or no testing at all. … This requires an understanding of how tests can affect patient outcome. … Various randomized designs can be used to evaluate medical tests.

103. Methods Guide for Medical Test Reviews Chapter 4 (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-search_methods.pdf
     July 01, 2012 - Reviews Chapter 4 4-1 Chapter 4 Effective Search Strategies for Systematic Reviews of Medical Tests … When a review focuses on specific named tests, searching is relatively straightforward. … The FDA regulates many medical tests as devices. … ,26 all possible diagnostic tests were not known. … Effective Search Strategies for Systematic Reviews of Medical Tests.

104. Methods Guide for Medical Test Reviews (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-metaanalysis_methods.pdf
     July 01, 2012 - or suggestive thresholds, such as imaging or histological tests. … Table 8–1 lists commonly used methods for meta-analysis of medical tests. … Empirical evidence of design-related bias in studies of diagnostic tests. … Guidelines for meta-analyses evaluating diagnostic tests. … Diagnostic tests 4: likelihood ratios. BMJ 2004; 329(7458):168- 169. 23.

105. Methods Guide for Medical Test Reviews (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-bias_methods.pdf
     July 01, 2012 - Introduction Medical tests are indispensable for clinicians in that they provide information that goes … referred to as the General Methods Guide),1 and focuses on issues of particular relevance to medical tests … , clinical examinations, imaging tests, questionnaires, pathology, and measures of health status (e.g … Cochrane Methods Working Group on Systematic Review of Screening and Diagnostic Tests. … Empirical evidence of design-related bias in studies of diagnostic tests.

106. Appendicitis Executive (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/appendicitis_executive.pdf
     December 01, 2015 - selected laboratory tests. … tests. … Among laboratory tests, white blood cell count, 15 C-reactive protein, and tests derived from combinations … that the results of earlier tests determine the choice of subsequent tests). … Comparative studies are needed for all tests and all populations.

107. Imaging Tests for the Staging of Colorectal Cancer | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/colorectal-cancer-staging/research-protocol
     December 01, 2020 - can be crudely divided into noninvasive and invasive tests. … , staging tests using noninvasive means are also important. … This review will focus on noninvasive imaging tests for staging. … Imaging tests can be broadly divided into two categories—some tests primarily provide anatomical information … and experimental imaging tests from inclusion in the report.

108. Appendix-Table-B-1-Observational-Studies (xls file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/appendix-table-B-1-observational-studies.xlsx
     March 20, 2021 - PCR (viral genome sequencing of a subset) Positive: 1.9 tests per-person; 0.5 tests per-person after … first Ab+ test Negative:1.7 tests per-person; 0.9 tests per-person after first Ab+ test 0.5 Any (% … during second surge (%) Positive 0 tests: 3,525 (32) 1 test: 2,426 (22) 2–3 tests: 2,719 (25) 4+ tests … : 2,398 (22) Negative 0 tests: 124,165 (24) 1 test: 117,711 (23); 2–3 tests: 154,359 (30) 4+ tests: 118,036 … occurring in the positive cohort ≥90 days after primary PCR+ test PCR Tests per 10,000 days at risk

109. Noninvasive Testing for Coronary Artery Disease (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/coronary-artery-disease-testing_research-protocol.pdf
     January 15, 2015 - Noninvasive diagnostic tests can be broadly divided into two categories: functional tests and anatomic … tests. … What is the comparative effectiveness of anatomic tests versus functional tests in those who are at … What is the comparative effectiveness of anatomic tests versus functional tests in those who are at … o Anatomic tests: coronary calcium scoring via EBCT or MDCT, and CCTA o Functional tests (including

110. Topic 0438 Risk stratification and CAD NSD FINAL_SJ-2 (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/TND-0520-131115.pdf
     November 15, 2013 - Results of Topic Selection Process & Next Steps  The topic, Non-invasive Tests … Topic Description Nominator(s): Organization Nomination Non-invasive Tests to Diagnose Patients … Multiple non-invasive tests (NITs) are available to aid the evaluation of patients at intermediate risk … These tests are widely used, but the choice of NIT differs widely by clinician preference, availability … There is no clear guidance of what the test or combination of tests to use for patients with different

111. Health Screening | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/health-topics/health-screening
     April 07, 2025 - Z Health Topics Health Screening Description Screenings are tests … Screening tests can find diseases early, when they're easier to treat. … pressure High cholesterol Osteoporosis Overweight and obesity Prostate cancer in men Which tests

112. Tuberculosis | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/health-topics/tuberculosis
     If you have been exposed, you should go to your doctor for tests. … of appetite Coughing up blood or mucus Weakness or fatigue Fever Night sweats Skin tests … , blood tests, x-rays, and other tests can tell if you have TB.

113. Irritable Bowel Syndrome | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/health-topics/irritable-bowel-syndrome
     Your doctor may run tests to be sure you don't have other diseases. … These tests may include stool sampling tests, blood tests, and x-rays.

114. Layout 1 (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/breast-abnormalities-tests_executive.pdf
     February 01, 2006 - test to confirm whether cancer is present, many women who do not have cancer will undergo diagnostic tests … Are there other factors that affect the accuracy or acceptability of the tests considered in Questions … To place the tests’ accuracy information into perspective, an average woman in the United States who … For women at this average level of risk of cancer after an abnormal mammogram, based upon the tests’ … Effectiveness of Noninvasive Diagnostic Tests for Breast Abnormalities.

115. Colorectal Cancer | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/health-topics/colorectal-cancer
     September 10, 2014 - Nausea or vomiting Because you may not have symptoms at first, it's important to have screening tests … Tests include colonoscopy and tests for blood in the stool. … colorectalcancer.html Products Systematic Review Archived September 10, 2014 Imaging Tests … the Staging of Colorectal Cancer Research Protocol Archived May 21, 2013 Imaging Tests

116. Considering the Range of Decision-Relevant Effects (ppt file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/medical-test-reviews-choosing-outcomes.ppt
     June 01, 2012 - genetic and prognostic tests. … tests Prognostic tests Genetic tests How To Choose Important Outcomes: Illustrative Examples Segal JB … Screening Tests Segal JB. … Diagnostic Tests Diagnostic tests from are differentiated from screening tests largely by the population … Prognostic Tests Prognostic tests are tests used in individuals with known disease to predict outcomes

117. Considering the Range of Decision-Relevant Effects (ppt file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/medical-test-reviews-choosing-outcomes.ppt
     June 01, 2012 - genetic and prognostic tests. … tests Prognostic tests Genetic tests How To Choose Important Outcomes: Illustrative Examples Segal JB … Screening Tests Segal JB. … Diagnostic Tests Diagnostic tests from are differentiated from screening tests largely by the population … Prognostic Tests Prognostic tests are tests used in individuals with known disease to predict outcomes

118. Using the Principles of Randomized Controlled Trial Design to Guide Test Evaluation | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/rtc-design-principles/research
     January 01, 2019 - Proposals for a Phased Evaluation of Medical Tests Med Decision Making 2009; 29: E13-E21 .. … Pap tests takes next priority. … Randomised comparisons of medical tests: sometimes invalid, not always efficient. … Various randomized designs can be used to evaluate medical tests. … Comparative accuracy: assessing new tests against existing diagnostic pathways.

119. Appendix: Test Performance Metrics | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/test-performance-metrics/appendixes
     December 01, 2019 - Screening tests typically operate in the less shaded areas, whereas confirmatory tests used to rule out … of 10 or more and a negative likelihood ratio of 0.1 or less are considered to represent informative tests … diagnostic odds ratios to weigh sensitivity and specificity separately, and to distinguish between tests … with high sensitivity and low specificity and tests with low sensitivity and high specificity. … Developing the Topic and Structuring Systematic Reviews of Medical Tests: Utility of PICOTS, Analytic

120. Diagnosis and Treatment of Clinical Alzheimer’s-Type Dementia: Evidence Summary (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/Evidence%20Summary_1.pdf
     April 01, 2020 - tests (n=4,061), five of individual executive function tests (n=1,167), and ten of individual language … confirmed diagnoses, and none examined blood tests. … ; or any blood tests. … metrics, different cut-points for defining tests as abnormal, or combinations of tests, we could not … We found no analogous data for MRI or other CSF tests.