In a town of 10000 people at risk, 25 new cases of a disease appeared in one year. What is the incidence per 1000 people?
Answer and explanation
Correct answer: D. 2.5 per 1000
- Step 1: Incidence = new cases / population at risk x 1000.
- Step 2: 25 / 10000 x 1000 = 2.5 per 1000.
Answer
2.5 per 1000.
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