Fig. 3: Progression-free survival in the intention-to-treat population. | British Journal of Cancer

Fig. 3: Progression-free survival in the intention-to-treat population.

From: Chemoradiotherapy with extended nodal irradiation and/or erlotinib in locally advanced oesophageal squamous cell cancer: long-term update of a randomised phase 3 trial

Fig. 3

a Kaplan–Meier estimates by treatment group. b Estimated hazard ratios (HRs) and 95% CIs from the stratified univariable Cox models in four groups. c Kaplan–Meier estimates by radiation type (ENI vs CFI). d Kaplan–Meier estimates by erlotinib administration (with erlotinib vs without erlotinib).

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