showed a trendP = 0.056
Gefitinib showed a trend of longer mPFS in L858R cohort than in 19Del cohort (27.5 months vs. 10.3 months, P = 0.056).
Gefitinib showed a trend of longer mPFS in L858R cohort than in 19Del cohort (27.5 months vs. 10.3 months, P = 0.056).