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For items 44-46, refer to the given data below: Suppose that 25,000 individuals were tested for COVID-19 using rapid diagnostic test (RDT). Of these, 1,200 individuals had RDT positive result; of those who tested positive, 340 had RT-PCR indicating a diagnosis of COVID-19 positive. Among the remaining 23,800 individuals who are RDT negative, 32 developed symptoms the following days and was confirmed COVID-19 positive. They were assumed to be false negatives to RDT. 44. What is the prevalence of COVID-19 in this population? A. 0.5% B. 1.5% C. 2.5% D. 3% 45. What is the specificity and sensitivity of RDT? A. 91.4%; 96.51% B. 91.5%; 98% C. 96.43%; 87.76% D. 96.71%; 89.56% 46. What is the positive and negative predictive value of RDT? A. 24.12%; 94.12% B. 27.23%,90.99% C. 28.33%; 99.87% D. 31.24%; 98.67%

For items 44-46, refer to the given data below: Suppose that 25,000 individuals were tested for COVID-19 using rapid diagnostic test (RDT). Of these, 1,200 individuals had RDT positive result; of those who tested positive, 340 had RT-PCR indicating a diagnosis of COVID-19 positive. Among the remaining 23,800 individuals who are RDT negative, 32 developed symptoms the following days and was confirmed COVID-19 positive. They were assumed to be false negatives to RDT. 44. What is the prevalence of COVID-19 in this population? A. 0.5% B. 1.5% C. 2.5% D. 3% 45. What is the specificity and sensitivity of RDT? A. 91.4%; 96.51% B. 91.5%; 98% C. 96.43%; 87.76% D. 96.71%; 89.56% 46. What is the positive and negative predictive value of RDT? A. 24.12%; 94.12% B. 27.23%,90.99% C. 28.33%; 99.87% D. 31.24%; 98.67%

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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For items 44-46, refer to the given data below: Suppose that 25,000 individuals were tested for COVID-19 using rapid diagnostic test (RDT). Of these, 1,200 individuals had RDT positive result; of those who tested positive, 340 had RT-PCR indicating a diagnosis of COVID-19 positive. Among the remaining 23,800 individuals who are RDT negative, 32 developed symptoms the following days and was confirmed COVID-19 positive. They were assumed to be false negatives to RDT. 44. What is the prevalence of COVID-19 in this population? A. 0.5% В. 1.5% С. 2.5% D. 3% 45. What is the specificity and sensitivity of RDT? A. 91.4%; 96.51% B. 91.5%; 98% C. 96.43%; 87.76% D. 96.71%; 89.56% 46. What is the positive and negative predictive value of RDT? A. 24.12%; 94.12% B. 27.23%;90.99% C. 28.33%; 99.87% D. 31.24%; 98.67%
Transcribed Image Text:For items 44-46, refer to the given data below: Suppose that 25,000 individuals were tested for COVID-19 using rapid diagnostic test (RDT). Of these, 1,200 individuals had RDT positive result; of those who tested positive, 340 had RT-PCR indicating a diagnosis of COVID-19 positive. Among the remaining 23,800 individuals who are RDT negative, 32 developed symptoms the following days and was confirmed COVID-19 positive. They were assumed to be false negatives to RDT. 44. What is the prevalence of COVID-19 in this population? A. 0.5% В. 1.5% С. 2.5% D. 3% 45. What is the specificity and sensitivity of RDT? A. 91.4%; 96.51% B. 91.5%; 98% C. 96.43%; 87.76% D. 96.71%; 89.56% 46. What is the positive and negative predictive value of RDT? A. 24.12%; 94.12% B. 27.23%;90.99% C. 28.33%; 99.87% D. 31.24%; 98.67%
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