a strong trendp = .041
In the observation group, we found favorable prognostic effects of low MUC1 expression (HR for DFS: 0.55; 95% CI 0.29 to 1.04, p = .062; HR for OS: 0.35, 95% CI 0.18 to 0.68, p = .001) as well as a strong trend for improved survival in the gemcitabine group (HR for DFS: 0.48; 95% CI 0.24 to 0.96, p = .041; HR for OS: 0.56, 95% CI 0.28 to 1.11, p = .093), see Figures 3E–H : Survival analyses in subgroups for gemcitabine vs. observation.