did not reach statistical significanceP = 0.1007
Moreover, despite a small decrease in the mean ratio of EGFR(+) was observed in patients who were non-responders (SD or PD), these differences did not reach statistical significance (non-responders: 21.6 ± 28.9% vs. responders: 56.2 ± 11.5%, P = 0.1007; Fig. 6f ).