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RESEARCH METHDOLOGY
Year : 2008  |  Volume : 56  |  Issue : 1  |  Page : 45-50

Understanding and using sensitivity, specificity and predictive values


L. V. Prasad Eye Institute, Banjara Hills, Hyderabad, India

Correspondence Address:
Rajul Parikh
Victor villa, 5, Babulnath Road, Mumbai - 400007
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0301-4738.37595

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In this article, we have discussed the basic knowledge to calculate sensitivity, specificity, positive predictive value and negative predictive value. We have discussed the advantage and limitations of these measures and have provided how we should use these measures in our day-to-day clinical practice. We also have illustrated how to calculate sensitivity and specificity while combining two tests and how to use these results for our patients in day-to-day practice.


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