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THE CONCEPT OF SENSITIVITY AND SPECIFICITY IN RELATION TO TWO TYPES OF ERRORS AND ITS APPLICATION IN MEDICAL RESEARCH
34
Zitationen
3
Autoren
2009
Jahr
Abstract
Sensitivity and specificity are two terms widely used in Medical research and are the statistical measures of performance of a binary classification test. In clinical research the sensitivity of a medical test is the probability of its giving a ‘positive’ result when the patient is indeed positive and specificity is the probability of getting ‘negative’ result when the patient is indeed negative. Wrongly identify a healthy person as sick and a sick person as healthy is closely related to the concept of type I and type II errors of testing hypothesis. It was observed that the sensitivity of a test is equal to power of test in hypothesis testing.
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