0. 4.2 Diagnostic tests of medical conditions can have that the patient has the

Question

0. 4.2 Diagnostic tests of medical conditions can have that the patient has the condition. A negative test (-) indicates that the patient does not have the condition. types of results. The test result can be positive or negative, whether or not a patient has the condition. A positive test Remember, a positive test does not prove the patient condition. Additional medical work may be required. In a recent article, a team of doctors discuss using a fever of 38 C or higher as a disgnostic indicator of postoperative atelectasis (collapse of the lung) as evidenced by x-ray observation. For fever 38°C as the diagnostic test, the results for poloperative patients are given 73 156 150 (a) Pl+ I condition present); this is known as the sensitivity of a test. (b) P-I condition present); this is known as the false-negative rate. (d) Pt+ I condition absent); this is known as the false-positive rate. (e) condition present and + ); this is the predictive value of the test. (r) condition present and Need Help?

Explanation / Answer

a) P(+|condition present ) =73/150

b)P(-|condition present) =77/150

c)P(-|condition absent) =79/118

d) P(+|condition absent) =39/118

e) P(condition present and +) =73/268

f)  P(condition present and -) =77/268

(please revert)

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