GSTM1 and Thrombocytosis: Otherwise, PFS was statistically different according to Hb levels (17.95 vs. 6.44 months, HR = 0.47, 95% CI 0.24–0.88, p = 0.019, Figure 3) and thrombocytosis (16.34 vs. 3.35 months, HR = 0.39, 95% CI 0.12–0.68, p = 0.005, Figure 3).