Calculate the prevalence if incidence is 2 cases per 1000 population per year and mean duration is 4 years -
Ans. is 'a' i.e., 8 Cases per 100 population o Prevalence = 2 x 4 = 8 Causes per 1000 populations
8 Cases per 1000 population
2 Cases per 1000 population
0.5 Cases per 1000 population
32 Cases per 1000 population