GPT and cryohydrocytosis: The main demographic, laboratory, and histological features of the training series of CHC patients (n = 108) were similar to those of the validation set (n = 71), except for AST and ALT, which were significantly higher in the training group (p<0.05 for both), and fibrosis stage–the training group included more patients with advanced fibrosis (p<0.005)–as shown in Table 1.