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Kaplan–Meier survival curves of different groups divided by AGR. OS according to AGR values in the training cohort and validation cohort (a, c). RFS according to AGR values in the training cohort and validation cohort (b, d) ∗Statistically significant. Abbreviations: AGR: albumin to gamma-glutamyltransferase ratio; OS: overall survival; RFS: recurrence-free survival.
