Fig. 2

Kaplan‒Meier analysis of the OS and PFS in patients with different HBV serologic statuses and different chemotherapy regimens. OS (A) and PFS (B) in patients with different HBV serologic statuses. OS (C) and PFS (D) in patients treated with different chemotherapy regimens. OS: overall survival; PFS: progression-free survival; HBV: hepatitis B virus