Self-Learning concepts of diagnostic tests by graphical approach: sensitivity, specificity, positive predictive value and negative predictive value
نویسندگان
چکیده
منابع مشابه
6 Sensitivity , Specificity , and Predictive Value
Over the past decade, many clinicians have recognized th need to acquire an expanded clinical vocabulary and cot ceptual framework with which to interpret and act upo clinical information from the patient's history, the physic, examination, and the diagnostic laboratory . This expande vocabulary acknowledges the probabilistic nature of clinic events that occur consequent to diagnostic and thera...
متن کاملStatistical Evaluation of Diagnostic Tests (Part 1): Sensitivity, Specificity, Positive and Negative Predictive Values.
I clinical practice, two broad types of tests are usedscreening and diagnostic tests. Screening tests are those that are used on a large population [usually healthy individuals or patients who are yet asymptomatic] to identi fy those likely to need intervention or identify disease early. Examples of screening tests would include routine blood pressure monitoring for diagnosing hypertension, a P...
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BACKGROUND Estimates of the prevalence of hidradenitis suppurativa (HS) range from 0.33% to 4%. Further epidemiological data are therefore needed. Because of the hidden nature of the disease, physical screening may be cumbersome and questionnaire-based screening may be more appropriate. OBJECTIVES To establish the sensitivity (SE), specificity (SP) and positive predictive value (PPV) of simpl...
متن کاملUnderstanding diagnostic tests 1: sensitivity, specificity and predictive values.
UNLABELLED The usefulness of diagnostic tests, that is their ability to detect a person with disease or exclude a person without disease, is usually described by terms such as sensitivity, specificity, positive predictive value and negative predictive value. In this article, the first of the series, a simple, practical explanation of these concepts is provided and their use and misuse discussed...
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ژورنال
عنوان ژورنال: Journal of North Khorasan University of Medical Sciences
سال: 2012
ISSN: 2008-8698,2008-8701
DOI: 10.29252/jnkums.4.2.275