Fig. 2

Receiver Operating Characteristic (ROC) analysis of textural features. The area under the receiver operating characteristic curve: age, 0.568 (0.430–0.706); location (head or neck vs body or tail), 0.641 (0.523–0.759); size, 0.710 (0.590–0.830); wall enhancement, 0.619 (0.497–0.741); mural nodule, 0.565 (0.435–0.694); solitary, 0.526 (0.400–0.652); central calcification, 0.564 (0.435–0.693); lobulated contour, 0.667 (0.542–0.793); SHAPE_Volume (mL), 0.700 (0.580–0.821); SHAPE_Volume (# vx), 0.685(0.563–0.808); GLRLM_HGRE, 0.672 (0.562–0.781); GLRLM_SRHGE, 0.756 (0.652–0.859); GLRLM_LRHGE, 0.682 (0.559–0.805); GLRLM_GLNU, 0.701 (0.580–0.821); GLRLM_RLNU, 0.671 (0.548–0.794); GLZLM_LZE, 0.698 (0.575–0.822); GLZLM_LZHGE, 0.692 (0.567–0.817); GLZLM_GLNU, 0.704 (0.587–0.820); GLZLM_ZLNU, 0.668 (0.547–0.790); combination of textural parameters, 0.777 (0.673–0.880); combination of morphological features, 0.783 (0.665–0.900); combination of textural parameters and morphological features, 0.893 (0.816–0.970)