Mathematics, 14.02.2020 00:29 kaitlynmoore42
A physical examination and an audiometric test were given to 500 persons with suspected hearing problems, of whom 300 were actually found to have them. The results of the examinations were as follows
1. Physical Exam 2. Audiometric Test
Result
Hearing Problem
Present Absent
Result
Hearing Problem
Present Absent
Positive
240 40
Positive
270 60
Negative
60 160
Negative
30 140
For each of the two exams, Define and calculate the followings:
The Sensitivity of this test
The specificity of the test
Predictive value positive
Predictive value negative
Compared to the physical exam, the audiometric test is:
A. Equally sensitive and specific
B. Less sensitive and less specific
C. less sensitive and more specific
D. more sensitive and less specific
E. more sensitive and more specific
Answers: 2
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A physical examination and an audiometric test were given to 500 persons with suspected hearing prob...
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