Fig. 3

Decision tree models for A database 1 and B database 2. Features of GD based on GED-C scoring as defined in Table 2 for database 1 and in Table 3 for database 2. As per GED-C scoring: anemia is defined as hemoglobin < 14.0 g/dL, hyperferritinemia is defined as ferritin > 300 ng/mL, and thrombocytopenia is defined as platelet count < 150 × 10⁹/L. Decimal values for p parameter (range 0–1) used to show percentage of the split. HDL, high-density lipoprotein cholesterol