Fig. 3From: Differential infiltration of neutrophils in T1–T2 versus T3–T4 oral squamous cell carcinomas: a preliminary studySurvival curves (Kaplan–Meier method) of patients classified according to a T stage, b CD66b index in the invasive front, c CD66b index in the intratumoural region, d CD66b/CD3 ratio in the invasive front, and e CD66b/CD3 ratio in the intratumoural region. There was no difference in time to recurrence between the groups for any comparison (p > 0.05, log-rank test)Back to article page