263271.fig.005a
(a)
263271.fig.005b
(b)
263271.fig.005c
(c)
263271.fig.005d
(d)
Figure 5: Cumulative prognostic value of stage IVA patients (Kaplan-Meier analysis). (a) p16 positive patients showed better prognosis ( ). (b) No difference was observed between IFI16 positive and negative patients ( ). (c and d) p16 negative patients exhibited worse prognosis in IFI16 positive ((c) ) group. No significant difference was observed in IFI16 negative ((d) ) group. Statistical analysis was performed using the log-rank test.