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. 2019 Apr 24;11:3555–3564. doi: 10.2147/CMAR.S191929

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© 2019 Zhao et al.

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Comparison of PFS and OS curves between patients negative and positive for EBV in the EBV (+) group. (A) Progression-free survival (PFS) is shown for 28 patients negative for EBV (+) group, showing the turned to negative group has a better PFS than remained positive group (P=0.003). (B) OS is shown for 25 patients negative for EBV (+) group, showing the turned to negative group has a better OS than remained positive group (P=0.017).

Abbreviations: DDGP, cisplatin, dexamethasone, gemcitabine and pegaspargase; EPV, Epstein-Barr virus; OS, overall survival; PFS, progression-free survival.