Correlation between risk model and immune cell infiltration patterns in TCGA-HNSCC cohort. (A) Infiltration fraction of high- and low-risk groups was assessed using CIBERSORT algorism; (B) the correlation analyses between the 5 m6A-related eRNAs of the risk model and immune cells; (C) infiltration score of high- and low-risk groups was evaluated using ssGSEA algorism; (D) the correlation analysis between risk score and immune cells; (E) heatmap showing the tumor purity, ESTIMATE score, immune score, stromal score, and immune cells infiltration score of high- and low-risk groups; (F) violin plot revealing the differences in ESTIMATE score, immune score, stromal score between high- and low-risk groups; (G) violin plot revealing the differences in tumor purity between high- and low-risk groups. (* p < 0.05, ** p < 0.01, *** p < 0.001).