Figure 1

The overall survival and progession-free survival of the whole cohort.

The EBV positive patients had significantly worse OS (a,c) and PFS (b,d) than the negative ones with both EBER cut-off values. Abbreviations: EBER: Epstein-Barr virus-encoded RNA; EBV: Epstein-Barr virus; OS: overall survival; PFS: progression-free survival.