Fig. 2From: Low-level laser therapy in treatment of chemoradiotherapy-induced mucositis in head and neck cancer: results of a randomised, triple blind, multicentre phase III triala: Time to first occurrence of OM grade ≥ 3 – Modified intention to treat analysis. b: Time to first occurrence of OM grade ≥ 3 – Per protocol analysis. Arm A: active Lasertherapy arm - Arm B: control placebo, arm (Laser-off treatment), OM: Oral mucositisBack to article page