Fig. 2From: Pre-test 68Ga-PSMA-ligand PET/CT positivity in early biochemical recurrent prostate cancer after radical prostatectomy—validation of a prediction modelROC curves of the prediction models. The black line corresponds to the compact model, and the grey line to the comprehensive model (AUC, area under the curve; CI, confidence interval; p-values comparison to AUC = 0.5)Back to article page