Diagnostic tests (1) – sensitivity and specificity
نویسندگان
چکیده
منابع مشابه
Understanding 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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This is the fifth statistics note produced by the Ophthalmic Statistics Group (OSG) which is designed to be a simple guide to ophthalmic researchers on a statistical issue with an applied ophthalmic example. The OSG is a collaborative group of statisticians who have come together with a desire to raise the statistical standards of ophthalmic researcher by increasing statistical awareness of com...
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PURPOSE Damage to the nerve fiber layer or visual pathway might be expected to reduce the efficiency with which the visual system performs analysis of the ever-changing field of vision. The purpose of this article is to provide a further analysis of previously reported data (Loughman J, Davison P, Flitcroft I, Br J Ophthalmol 2007;91:1493-98.) to: (i) determine the sensitivity and specificity o...
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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: Chest radiography is one of the most usual diagnostic tools for respiratory distress. Objective: The purpose of this study is to assess the specificity, sensitivity and clinical value of chest radiography of neonates with respiratory distress.Patients and Methods: A descriptive- analytical study was conducted on 102 neonates that were in neonatal intensive care unit of Imam Reza and...
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ژورنال
عنوان ژورنال: Phlebology: The Journal of Venous Disease
سال: 2012
ISSN: 0268-3555,1758-1125
DOI: 10.1258/phleb.2012.012j05