A urinalysis is a common screening tool for a urinary tract infection. The gold standard is a urine culture. A physician's office wanted to evaluate how well their screening did. One thousand (2,000) patients were screened for a urinary tract infection using. All 2,000 samples were also sent for a urine culture. The culture (gold standard) showed 500 patients had a urinary tract infection and of those 430 had a positive urinalysis (i.e. true positives). A total of 660 had a positive screening test. +2x2 table ● Total A C A+C B D B+D Total Create a 2x2 table with these data. Calculate the sensitivity of the test. Calculate the specificity of the test. Calculate the positive predictive value for the data. Calculate the negative predictive value for the data. What is the prevalence of this disease? A+B C+D A+B+C+D
A urinalysis is a common screening tool for a urinary tract infection. The gold standard is a urine culture. A physician's office wanted to evaluate how well their screening did. One thousand (2,000) patients were screened for a urinary tract infection using. All 2,000 samples were also sent for a urine culture. The culture (gold standard) showed 500 patients had a urinary tract infection and of those 430 had a positive urinalysis (i.e. true positives). A total of 660 had a positive screening test. +2x2 table ● Total A C A+C B D B+D Total Create a 2x2 table with these data. Calculate the sensitivity of the test. Calculate the specificity of the test. Calculate the positive predictive value for the data. Calculate the negative predictive value for the data. What is the prevalence of this disease? A+B C+D A+B+C+D
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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