GPT and Decreased liver function: The plasma levels of liverenzymes have been shown to be positively correlated with FPG, and patients with T2Doften have liver dysfunction.54, –56 Our results showed that thelevels of ALT and AST were highest in the PD-B group rather than in the T2D group;therefore, liver function might have deteriorated before the FPG level reached thediagnostic threshold for T2D.