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Percent Prevalence
(Single Best Answer) Question 1:

In a village having population of 1000, we found patients with certain disease. The results of a new diagnostic test on that disease are as follows.

Test Result Disease
Present Absent
+ 180 400
- 20 400

What is the percent prevalence of disease ?

A) 0.20
B) 2
C) 18
D) 20
Answer (Select an option above to get the answer):
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