Fig. 3From: Head and neck melanoma: outcome and predictors in a population-based cohort studyComorbidities in HNM patients: CCI according to patients age (Fig. 3A) and gender (Fig. 3B); Kaplan-Meier curves for OAS (Fig. 3C) and RFS (Fig. 3D) for CCI (≥ 1 vs. 0). (C, p < 0.001) and RFS (D, p < 0.001)Back to article page