Figure 2.
A receiver operating characteristic (ROC) curve. Area under the ROC (AUC) is 0.670 (95% confidence interval, 0.569-0.781).
TP=true positive; FP=false positive.
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.