STATISTICAL TERMS EXPLAINED-SENSITIVITY,SPECIFICITY,PREDICTIVE VALUES-MD/DNB EXAM PREPARATION

Topic:Statistics
Questions: sensitivity and specificity
Positive and negative predictive value
A confusing topic with very close meaning and relation between words. I have tried to simplify it as much as possible.They are sure shot questions in atleast one of the theory papers.
This discussion is only to help medical students and healthcare professionals to understand the basic concepts and enable them to approach a case/write in theory exams.I would like to reiterate that the information provided is a compendium of data obtained from various sources and the rights lie with the respective authors

[@akashdanodia7555]

Ma'am I hv a doubt, for Ruling out the disease we do a test with high sensitivity and for Ruling in the disease we do a test with high specificity. M I right ma'am ??

[@pediatrictakesbydr.pavitra9813]

Screening test generally have high sensitivity and confirmatory test have high specificity