Question

(b) Table Q1 below provides the results from a study of a rapid diagnostic test for tuberculosis (TB). Calculate its sensitivity and specificity. What is the likelihood that a patient tested positive with this test is infected with TB? [6] Groups Trustline kit, n Positive Negative TB 385 243 Non-TB 53 166 Healthy Controls 24 138 Total 462 547 Table Q1: Clinical performance of the Trustline diagnostic kit for tuberculosis (TB). (non-TB patients are sick patients, but that do not suffer from TB). Taken from Eur J Clin Microbiol Infect Dis (2014) 33:1989-1994

          (b)
Table Q1 below provides the results from a study of a rapid diagnostic test for
tuberculosis (TB). Calculate its sensitivity and specificity. What is the
likelihood that a patient tested positive with this test is infected with TB? [6]
Groups
Trustline kit, n
Positive
Negative
TB
385
243
Non-TB
53
166
Healthy Controls
24
138
Total
462
547
Table Q1: Clinical performance of the Trustline diagnostic kit for tuberculosis (TB).
(non-TB patients are sick patients, but that do not suffer from TB). Taken
from Eur J Clin Microbiol Infect Dis (2014) 33:1989-1994

(b)
Table Q1 below provides the results from a study of a rapid diagnostic test for
tuberculosis (TB). Calculate its sensitivity and specificity. What is the
likelihood that a patient tested positive with this test is infected with TB? [6]
Groups
Trustline kit, n
Positive
Negative
TB
385
243
Non-TB
53
166
Healthy Controls
24
138
Total
462
547
Table Q1: Clinical performance of the Trustline diagnostic kit for tuberculosis (TB).
(non-TB patients are sick patients, but that do not suffer from TB). Taken
from Eur J Clin Microbiol Infect Dis (2014) 33:1989-1994

Added by Anna S.

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