Table 2.
Sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of ICD-9 codes for C. difficile infection
Sensitivity, 71%; Specificity, 99%; PPV, 87%; NPV, 96%.
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.