An evidence-based medicine approach to studies of diagnostic tests: Assessing the validity of virtual colonoscopy  Brooks D. Cash, Philip Schoenfeld,

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An evidence-based medicine approach to studies of diagnostic tests: Assessing the validity of virtual colonoscopy  Brooks D. Cash, Philip Schoenfeld, Douglas Rex  Clinical Gastroenterology and Hepatology  Volume 1, Issue 2, Pages 136-144 (March 2003) DOI: 10.1053/cgh.2003.50021 Copyright © 2003 American Gastroenterological Association Terms and Conditions

Fig. 1 Sequence in appraisal of the validity and applicability of a diagnostic test to your patient and your practice setting. Clinical Gastroenterology and Hepatology 2003 1, 136-144DOI: (10.1053/cgh.2003.50021) Copyright © 2003 American Gastroenterological Association Terms and Conditions

Fig. 2 Nomogram for likelihood ratios. Reprinted with permission.5 Clinical Gastroenterology and Hepatology 2003 1, 136-144DOI: (10.1053/cgh.2003.50021) Copyright © 2003 American Gastroenterological Association Terms and Conditions