Prevalence Proportion Calculation. We used person years as the denominator for 1 year period preva lence proportions and the size of the population on december 31th 2012 was used for point prevalence pro portions. Three different prevalence proportions were determined.
When calculating point prevalence what should you do with people who were in the population. Results one year period prevalence proportions were substantially higher than point prevalence 58 3 206 6 for long lasting diseases and one year period prevalence proportions were higher than contact prevalence proportions 26 2 79 7. Method for calculating incidence proportion risk.
1 year period prevalence proportions point prevalence proportions and contact prevalence proportions.
Prevalence of a disease is the proportion of population affected by a specific disease at a particular time this tutorial explains you how to calculate the prevalence rate of disease. Results one year period prevalence proportions were substantially higher than point prevalence 58 3 206 6 for long lasting diseases and one year period prevalence proportions were higher than contact prevalence proportions 26 2 79 7. Prevalence can be measured in an closed cohort or in an open population. Of cases population size a.
