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Diagnostic Testing and Medical Decision Making


Selected and rated by
Roni F. Zeiger, MD


Center For Evidence Based Medicine - University of Toronto
Resources for the practice and teaching of evidence-base medicine (EBM). Includes excellent tutorials, teaching materials, online calculators, and calculators for PDAs.
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Centre for Evidence-Based Medicine - Oxford
Another set of useful resources for the practice and teaching of evidence-base medicine (EBM). Includes well-written tutorials, teaching materials, online calculators, and links to related sites.
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Users' Guides to Evidence-Based Practice - Centre for Health Evidence
Full-text of the complete set of Users' Guides to Evidence-Based Practice originally published as a series in the Journal of the American Medical Association (JAMA). Includes guides to evaluating studies on diagnosis, therapy, prevention, harm, and prognosis.
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Diagnosis-related Guidelines - National Guideline Clearinghouse
Hundreds of diagnosis-related guidelines from the National Guideline Clearinghouse.
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BMC Medical Informatics and Decision Making - Bio Med Central
This page from BioMed Central allows users to browse or search for articles on medical decision making and informatics. The site also contains links to useful journals.
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The Likelihood Ratio Calculator
A Palm-compatible PDA tool that displays evidence-based operating characteristics for many commonly used diagnostic tests. The user is guided in selecting a pre-test probability for a disease in question, and the tool provides the post-test probabilities for each possible test result. These results can be used to select the most useful test and demonstrate that tests are not useful if they do not significantly change the probability of disease.
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Online Diagnostic Test Calculator
Fill in the 2x2 table and the calculator computes sensitivity, specificity, likelihood ratios, and other related information.
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Bedside Diagnosis - American College of Physicians
An annotated bibliography of literature on physical examination and interviewing. It was last updated in 1996 but remains a useful resource.
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The Society for Medical Decision Making
This organization is dedicated to promoting rational and systematic approaches to decision making in an effort to improve health care. The site includes educational modules and links to relevant literature.
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Cochrane Library
The Cochrane Library is the premier resource for information on the effectiveness of healthcare interventions. It is a collection of systematic reviews of the literature and includes the Cochrane Database of Systematic Reviews, the Database of Abstracts of Reviews of Effects (DARE), and other evidence-based databases. The user can search for abstracts or browse alphabetically.
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Artificial Intelligence Systems in Routine Clinical Use
This site offers a tutorial on the role of artificial intelligence systems and clinical decision support systems in medicine along with a list of currently or historically used systems in clinical medical settings. Though not updated since 1999, it is a useful resource.
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ClinicalTrials.gov - National Institutes of Health
This site provides regularly updated information about federally and privately supported clinical trials, including patient-friendly information about a trial's purpose and who may participate.
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CenterWatch Clinical Trials Listing Service
Physicians and patients can use this site to find a variety of information related to currently ongoing clinical trials across the United States, Europe, and Canada.
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