Figure 2. Overall survival after primary diagnosis.
(A) by HPV tumor status; (B) by time to recurrence (<12 months vs. >=12 months); (C) in patients recurring within 12 months by HPV tumor status; (D) in patients recurring after 12 months by HPV tumor status; (E) HPV-positive patients by time to recurrence; (F) HPV-negative patients by time to recurrence