GPT and gestational diabetes: Despite the findings of numerous studies indicating that TG, HDL, FPG, ALT/AST ratio, BMI and HOMA-IR are independently associated with the risk of GDM (31, 42–45), the results of the ROC analysis demonstrated that the predictive efficacy of the ZJU index was significantly superior to that of the aforementioned indicators (AUC range: 0.603–0.781).