In addition to age, WC, and TG levels, which are the variables necessary for measuring PNFI, a significantly larger proportion of subjects in the PNFI > 3 group were male and significantly larger proportions exhibited a higher BMI, BMI-SDS, AST and ALT levels than participants in the NAFLD without liver fibrosis group (P < 0.001). Here, GPT is linked to Hepatic fibrosis.