Fig. 3

LYRM4 promoter methylation profile of LIHC patient subgroups based on sample types (a), race (b), tumour grade (c), and nodal metastasis status (d) (UALCAN database). Data are shown as mean ± SE. *, p < 0.05; **, p < 0.01; ***, p < 0.001. The asterisk indicates a significant difference between the two sets of data