GSTM1 and myelodysplastic syndrome: Among the thirteen MDS patients with a score < 0.23, 10 had other criteria for slide review (analyzer flag or ANC < 1.5 × 109/L or Hb < 80 g/L or platelets < 100 × 109/L) as well as eight of the thirteen patients with a score ≥ 0.23 and IPF < 3%.