Fig. 1.
ROC for AQ prediction of amyloid status. Area under the curve = 0.710, P = .001. Abbreviations: AQ, Alzheimer's Questionnaire; ROC, receiver-operating characteristic.
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.