The AUC of the ROC curves for the children <5 years of age (Hb cut-off for anemia diagnosis: <11 g/dl) and those ≥5 years of age (Hb cut-off: <11.5 g/dl) were 0.62 and 0.68, respectively (Fig. 5). The gene discussed is GSTM1; the disease is anemia.