GSTM1 and tuberculosis: Erythroid response according to the abovementioned criteria observed in 166 patients (50.2%) (Supporting Information S1: Table 1) is as follows: 23.9% of patients obtained a Hb increase of ≥1.5 g/dL in the NTD group or a similar increase with RBC‐TI within RBC‐TD category; 16.6% of patients achieved an RBC‐TI without experiencing Hb increase of >1.5 g/dL, while 9.7% exhibited a reduction of >50% in TB.