Two new tests (A and B) have been developed to diagnose gout. The following tables provide information on the number of individuals testing positive or negative and their true status: Calculate the sensitivity, specificity, and positive predictive values for both tests. b) Imagine a situation where the consequences of false negative test results are worse than a false positive test. For example, patients that have gout but test negative may not be treated properly and develop other complications. Which test would you use in this situation? Why?

Curren'S Math For Meds: Dosages & Sol
11th Edition
ISBN:9781305143531
Author:CURREN
Publisher:CURREN
Chapter4: Metric/international (si) System
Section: Chapter Questions
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Two new tests (A and B) have been developed to diagnose gout. The following tables provide information on the number of individuals testing positive or negative and their true status: Calculate the sensitivity, specificity, and positive predictive values for both tests. b) Imagine a situation where the consequences of false negative test results are worse than a false positive test. For example, patients that have gout but test negative may not be treated properly and develop other complications. Which test would you use in this situation? Why?
True status
|+ve -ve Total
+ve 275 50 |325
Test A -ve 25 950 | 975
Total 300 1000 1300|
True status
+ve -ve Total
+ve 295| 300 | 595
5 700 | 705
Test B -ve
Total 300 1000 1300
Transcribed Image Text:True status |+ve -ve Total +ve 275 50 |325 Test A -ve 25 950 | 975 Total 300 1000 1300| True status +ve -ve Total +ve 295| 300 | 595 5 700 | 705 Test B -ve Total 300 1000 1300
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