Fig. 2.

Comorbidities according to age group. Group 1: age at diagnosis and at last follow-up <65 years; group 2: age at diagnosis <65 years and at last follow-up ≥65 years; group 3: age at diagnosis ≥65 years. P 1–2-3: group 1 vs. 2 vs. 3 (with Bonferroni correction); p 1–2: group 1 vs. 2; p 2–3 group 2 vs. group 3