GSTM1 and anemia: For the OCC subgroup, the following variables were significant in the univariate analysis: age, mean daily calorie intake, and the pretreatment values of BMI, BW, and Hb for the interval LBM change (∆LBM); mean daily calorie intake, pretreatment values of BMI and BW, and grade 3⁄4 toxicities of anemia, neutropenia, and thrombocytopenia for the interval TFM change (∆TFM); pretreatment values of BW and TLC for the interval BMC change (∆BMC).