Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Different dataset characteristics or analysis methods and their effect on estimating incidence and prevalence.
| Measure | Characteristic of dataset and/or analysis method | Effect on estimate |
|---|---|---|
| Incidence | No washout period to exclude prevalent cases | Overestimation |
| Prevalence | Few years of coverage | Underestimation |
| Many years of coverage | Overestimation | |
| Incidence and Prevalence | Hospitalization data only | Underestimation |
| Not standardized by age, sex | Underestimation or overestimation |
