Kaplan-Meier OS (A), DFS (B), LRRFS (C), and DMFS (D) curves for patients with NPC stratified as the cumulative cisplatin dose of <240 mg/m2 and ≥240 mg/m2 groups.
Abbreviations: DFS, disease-free survival; DMFS, distant metastasis-free survival; LRRFS, local-regional relapse-free survival; OS, overall survival.