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.
Receiver operator curve using age and preoperative creatinine. In a multivariate logistic regression, age and preoperative creatinine were used to predict calcification of human saphenous veins resulting in an area under the curve of 0.78 and 0.81, respectively.
