Clinical, serological and histological characteristics of the primary and validation cohorts.

Numbers represent the mean ± SD. Abbreviations: AST, aspartate aminotransferase; ALT, alanine aminotransferase. P-values* are for comparisons of groups with NAFL and NASH using ANOVA with Scheffe's multiple testing corrections. P-values** are for comparisons among groups of controls, NAFL and NASH using the Kruskal–Wallis test.Clinical, serological and histological characteristics of the primary and validation cohorts.