Figure 1

Survival curve of patients with different EBV DNA loads. (A) Overall survival of patients with different plasma EBV DNA loads. (B) Progression free survival of patients with different plasma EBV DNA loads. P1 EBV DNA 0–16.35 copies/ml (N = 123), P2, EBV DNA 16.35–101.85 copies/ml (N = 124), P3 EBV DNA 101.85–658.75 Copies/ml (N = 123), P4 EBV DNA > 658.75 copies/ml.