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.
ROC analysis of the all the analyzed spectral biomarkers (A) and of AFP (gold), PIVKA-II (violet), and of the combined spectral biomarkers obtained with stepwise logistic regression (red) (B); AUC values for each of the investigated markers, alone and in combination, together with the corresponding 95% confidence interval (C). The same color scale is used in the three panels.
