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.
Bar graph representation of reasons for false positivity of 1223 concepts as determined by human review of a total of 6031 concepts extracted by natural language processing from 35 note titles; the note titles are ordered by their hit rate (highest to lowest).
