Fig. 2From: Clinical significance of the histological and molecular characteristics of ependymal tumors: a single institution case series from ChinaROC curve was used to identify the cutoff points for Ki67 and mitosis, with AUCs (areas under the curve) of 0.765 and 0.752, respectively. The P values were all < 0.05. The cutoff points detected by the ROC curves for Ki67 and mitosis were 6% and 5/2mm2, respectivelyBack to article page