MEASUREMENTS OF DISEASE M2 SLP

Measurements of Disease M2 SLP

Measurements of Disease M2 SLP

An incidence rate is the number of new cases of a disease divided by the number of persons at risk for the disease. If, over the course of one year, five women are diagnosed with breast cancer, out of a total female study population of 200 (who do not have breast cancer at the beginning of the study period), then we would say the incidence of breast cancer in this population was 0.025. (or 2,500 per 100,000 women-years of study)

Prevalence trate is distinct from incidence. Prevalence is a measurement ...