Fig. 3.

Kaplan–Meier survival analysis of clinicopathological factors associated with COX-2 and P300 expression in patients with LSCC (log-rank test). a Overall survival of the patients with different T categories; b overall survival of the patients with different N categories; c overall survival of the patients with different clinical staging; d overall survival of the patients with or without recurrence; e overall survival of the patients with or without P300 expression; f overall survival of the patients with or without COX-2 expression