For chronic diseases that are not lethal, such as arthritis, the prevalence will be much higher than the incidence.

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Prevalence measures the total number of cases (new and existing) of a disease in a population at a specific time, while incidence measures the number of new cases that develop in a given period of time. For chronic, non-lethal diseases like arthritis, since individuals live with the condition for many years, the prevalence (total cases) will be much higher than the incidence (new cases).

For Chronic Diseases That Are Not Lethal, Such as Arthritis