Figure 3.
Posttest probability for the 3 possible assay results (low: <1000 ng/mL; medium: 1000–2000 ng/mL; and high: >2000 ng/mL) for a wide range of disease prevalence rates. Calculations are based on data from study 3.
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.