Fig. 1From: Preoperative systemic immune-inflammation index predicts prognosis of patients with oral squamous cell carcinoma after curative resectionPrognostic significance of SII in patients with OSCC. The Kaplan–Meier analyses of overall survival (OS, upper panel) and disease-free survival (DFS, lower panel) in patients stratified by SII from the training (a, b), validation (c, d) and combined cohort (e, f)Back to article page