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Kaplan–Meier cumulative survival plots (27) for HLA traits that are found to be significant independent predictors of progression-free survival of HPV-driven HNSCC as detected in the multivariate Cox proportional hazard regression model (21, 22). (A) A11; (B) B51; (C) DQB1 homozygosity; (D) DR15; (E) cross-reactive epitope group A1C; (F) cross-reactive epitope group B12C; (G) diplotype A1-B8; and (H) diplotype A3-B18. p-values shown are from log-rank tests.
