FGF21 and steatosis: FGF21 [0.661 (0.589–0.773); P < 0.001] can predict the onset of simple steatosis while M30 [0.427 (0.353–0.502); P = 0.077] cannot, and M65ED showed an area under curve (AUC) of 0.581 (0.502–0.660); P = 0.049.