On the other hand, post RT anemia (32.4% vs. 18.4%) and post RT mean (SD) Hb (13.4 (1.7) g/dL vs. 13.8 (1.4) g/dL) were non-different for those without baseline anemia for cetuximab plus RT vs. RT-alone respectively (p = 0.26 for both). This evidence concerns the gene GSTM1 and anemia (phenotype).