GPT and preeclampsia: The top 18 important indicators were MAP, PAL, BMI, chronic hypertension, Neu, PLT, GGT, T-Bil, TP, factor B, ALT, AST, TG, Fn, TIBC, Fe, LDL-C and P. The degree of importance of the features used for late-onset preeclampsia prediction is shown in Figure 4.