borderline significantp -value = 0.054
The baseline concentration of the biomarker higher than 212 μg·mL −1 was significantly associated with increased risk of disease progression (PFS HR 2.5 (1–6), p -value = 0.042, Figure 3 F), and there was a borderline significant association with increased risk of death (OS HR 2.6 (0.98–7.1), p -value = 0.054, Figure 3 H).