Fig. 2From: A similar effect of P16 hydroxymethylation and true-methylation on the prediction of malignant transformation of oral epithelial dysplasia: observation from a prospective studyComparison of the cancer rates of oral epithelial dysplasia (OED) patient groups based on the P16 alleles with various methylation and hydroxymethylation states. a OED-derived cancer rate (%); b Estimated cancer-free survival curves in Kaplan-Meier analysis (P < 0.001)Back to article page