What is the positive predictive value (PPV) of the pharmacist's exam?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 25PPS
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Question
A pharmacist examined a population of 1,000 adults in an attempt to diagnose hypertension. The prevalence of hypertension in this population is known to be 15%. The sensitivity of the examination is 76% and its specificity is 80%. All adults labeled as "positive" (i.e., suspected of having hypertension) by the pharmacist are sent for examination by a physician. The sensitivity of the physician examination is 95% and its specificity is 90%.
What is the positive predictive value (PPV) of the pharmacist's exam?
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