Health authorities in Savannah GA reported that 22 injuries

Health authorities in Savannah, GA reported that 22 injuries requiring hospitalization occurred in the city of 65,000 during St. Patrick’s Day celebrations. Eight additional cases occurred during the following month, and two of these died from their injuries. What was the prevalence rate of injuries requiring hospitalization on the holiday and for the period as a whole?

Solution

Health authorities in Savannah, GA reported that 22 injuries requiring hospitalization occurred in the city of 65,000 during St. Patrick’s Day celebrations. Eight additional cases occurred during the following month, and two of these died from their injuries. What was the prevalence rate of injuries requiring hospitalization on the holiday and for the period as a whole?

Prevalence is the proportion of people in a population who have a particular disease at a specified point in time, or over a specified period of time.

Prevalence for holiday= 22/65000

0.000338 Or   0.338 per 1000

Total number of Number of injuries =22+6=28 ( we exclude the two deaths)

Prevalence for whole = 28/65000

0.00043 Or   0.43 per 1000