Fig. 2From: Impact of glucocorticoids on the efficacy of neoadjuvant chemoradiotherapy and survival of patients with locally advanced rectal cancer: a retrospective studySurvival analysis based on GCs medication. Kaplan–Meier curves of overall survival (a) and diseases-free Survival (b) by GCs medication. Check the linearity assumption of accumulated dose of GCs in the Cox proportional hazards model of overall survival (c) and diseases-free survival (d)Back to article page