FGF21 and metabolic dysfunction-associated steatohepatitis: Interestingly, the median (25th; 75th percentile) values of FGF21 were 196 (176;222) in controls, 54 (45;63) in children with NASH (NASH+) and 89 (78;100) in those without NASH (NASH−) children and the corresponding values for FGF19 were 201 (190;247), 41 (33;50) and 81 (70;96) (Figure 1, panel A).