'Negative predictive' presentation slideshows

An Epidemiological Approach to Diagnostic Process

An Epidemiological Approach to Diagnostic Process. Steve Doucette, BSc, MSc Email: sdoucette@ohri.ca Ottawa Health Research Institute Clinical Epidemiology Program The Ottawa Hospital (General Campus).

869 views • 56 slides

Emergency Medicine EBM: ED Radiological Evaluation of the Blunt Abdominal Trauma Patient*

Emergency Medicine EBM: ED Radiological Evaluation of the Blunt Abdominal Trauma Patient*. Amy Gutman MD ~ LSH-HSC Department of Emergency Medicine prehospitalmd@gmail.com. *Subtitle: Fostering critical thinking skills. OVERVIEW. Case Study Four Questions:

672 views • 50 slides

How do we delay disease progress once it has started?

How do we delay disease progress once it has started?. Epidemiology matters: a new introduction to methodological foundations Chapter 13. What is screening? When should we screen? How do we evaluate a screening test? How do we decide on a cut-off? PPV, NPV, and prevalence

620 views • 50 slides

Borrowed Liberally from Riegelman and Hirsch, 2 nd Edition

458 views • 32 slides

Is it True? Evaluating Research about Diagnostic Tests

Is it True? Evaluating Research about Diagnostic Tests. The Case of Baby Jeff. The Case of Baby Jeff. CPK testing for Muscular Dystrophy Sensitivity: 100% Specificity: 99.98% Prevalence: 1 in 5,000 (0.02%). 20 correctly positive. 20 false positive. 0 false negative.

400 views • 28 slides

Is it True? Evaluating Research about Diagnostic Tests

Is it True? Evaluating Research about Diagnostic Tests. The Case of Baby Jeff. The Case of Baby Jeff. CPK testing for Muscular Dystrophy Sensitivity: 100% Specificity: 99.98% Prevalence: 1 in 5,000 (0.02%). 20 correctly positive. 20 false positive. 0 false negative.

284 views • 28 slides

Part 3

274 views • 27 slides

GP 4001 Lecture Series 2006-2007

GP 4001 Lecture Series 2006-2007. 3. Dealing with undifferentiated problems in primary care II. Learning Outcomes for this course - I. Develop a rapport with patients such that patients are at ease in discussing their health problem(s) (comm)

386 views • 26 slides

Statistical Fridays

Statistical Fridays. J C Horrow, MD, MS STAT Clinical Professor, Anesthesiology Drexel University College of Medicine. Goals. Introduce / reinforce statistical thinking Understand statistical models Appreciate model assumptions Perform simple statistical tests. What topics will we cover?.

319 views • 23 slides

Peter Godfrey- Faussett and Helen Ayles London School of Hygiene and Tropical Medicine, UK

Sensitivity, specificity and predictive values of symptoms to detect tuberculosis in the ZAMSTAR community based prevalence studies. Peter Godfrey- Faussett and Helen Ayles London School of Hygiene and Tropical Medicine, UK. C R E A E.

314 views • 23 slides

Information Mastery: A Practical Approach to Evidence-Based Care

Information Mastery: A Practical Approach to Evidence-Based Care. Course Directors: Allen Shaughnessy, PharmD, MMedEd David Slawson, MD Tufts Health Care Institute Tufts University School of Medicine November 10-12, 2011 Boston, Massachusetts.

276 views • 21 slides

Presented By: Spencer Peterson MSIII Mercer University School of Medicine June 27, 2011

283 views • 20 slides

BIOE 301

BIOE 301. Lecture Thirteen. Review of Lecture 12. The burden of cancer Contrasts between developed/developing world How does cancer develop? Cell transformation ? Angiogenesis ? Motility ? Microinvasion ? Embolism ? Extravasation Why is early detection so important?

319 views • 16 slides

6F5Z1003 Research Design and Analysis (Ed) Lecture 04

6F5Z1003 Research Design and Analysis (Ed) Lecture 04 sensitivity, predictive value and repeatability. Today. Sensitivity and Specificity Predictive values Measuring observer reliability What are they?; Why do we need them?; How do we do them?. Sensitivity and Specificity.

271 views • 15 slides

Statistics for nMRCGP

Statistics for nMRCGP. Jo Kirkcaldy. Curriculum Condensed Knowledge. Incidence and prevalence Specificity and sensitivity Positive and negative predictive values Absolute risk and absolute risk reduction Relative risk and relative risk reduction NNT and NNH Odds and odds ratio

315 views • 15 slides

Sensitivity and Specificity

Sensitivity and Specificity. Bioterrorism Epidemiology Module 10 Missouri Department of Health And Senior Services. Precision (Reliability). Measure of a random variation around a specific value Variation in method Variation in observer Intra- and inter observer

971 views • 12 slides

Predictive values

Predictive values. Leena Patel. Sensitivity and Specificity. Measure VALIDITY of test How effective the test is at identifying animals with the disease or without the disease respectively. Predictive value. The probability that the test will give a correct diagnosis

155 views • 6 slides

69 views • 1 slides

Lo, D. J. et al. (2014) Biomarkers for kidney transplant rejection

Figure 1 The manner in which positive predictive value, negative predictive value, specificity and sensitivity relate to a test outcome and an established gold standard (true positive and true negative). Lo, D. J. et al. (2014) Biomarkers for kidney transplant rejection

216 views • 1 slides