303929.fig.002a
(a)
303929.fig.002b
(b)
Figure 2: OS and DSS analysis (Kaplan-Meier method and Log Rank test) according to the detection of viral HPV 16 E6 specific mRNA expression and the level of Tregs. Patients with HPV-positive tumors and high levels of Tregs had significantly better both DSS (a) ( ) and OS (b) ( ).