Fig. 6From: Construction of a survival prediction model for high-and low -grade UTUC after tumor resection based on “SEER database”: a multicenter studyKaplan–Meier survival curves categorized into low-risk and high-risk groups. a high-grade training dataset; b high-grade validation dataset in the SEER database; c high-grade validation dataset in the China multicenter database; d low-grade training dataset; e low-grade validation dataset in the SEER database; f low-grade validation set in the Chinese multicenter database. OS: overall survival; SEER: the Surveillance Epidemiology, and End Results databaseBack to article page