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. Author manuscript; available in PMC: 2020 Dec 9.
Published in final edited form as: Oral Oncol. 2019 Jul 3;96:7–14. doi: 10.1016/j.oraloncology.2019.06.017

Fig. 1.

Fig. 1.

Overall survival (OS) in patients (A) < 65 years old and (B) ≥65 years old. Abbreviations: CI = confidence interval; HR = hazard ratio; IC = investigator’s choice; NIVO = nivolumab.