Over the course of a year, there were 42 cases of ...

[OSWALD]

Over the course of a year, there were 42 cases of institution-associated pneumonia at a hospital. During that time, 3,102 clients were at risk for acquiring this infection, covering a total of 20,411 client-days.
 
  Which is the client density in terms of number of cases per 1,000 client-days at this hospital during this time?
  A) 2.1
  B) 13.5
  C) 15.2
  D) 152

Question 2

Which formula should be used to calculate the fetal mortality rate?
 
  A)
 
  B)
 
  C)
 
  D)

[mcabuhat]

Answer to Question 1

Ans: A
Feedback:
Incidence density is calculated by dividing the number of new cases occurring during the study period by the person-time units accumulated by subjects during the study period and multiplying the result by the base multiple of 10. In this case, the following equation would result: 42/20,411 = 0.0021  1,000 = 2.1 cases per 1,000 client-days.

Answer to Question 2

Ans: D
Feedback:
Below are the equations for various measures:
Fetal mortality rate =
Infant mortality rate =
Perinatal mortality rate =
Neonatal mortality rate =

[OSWALD]

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[FergA]

Gracias!