Table 1.

The proportions of EGFR exon 19 del and T790M alleles in PC-9, AfaR, RocR1, RocR2, OsiR1, and OsiR2 cells, as measured by digital PCR analysis

ddPCR analysis
Mutation rates (%): mut/(mut + wt)
Ex 19 delT790M
PC-986.2 (5062/5869)0 (0/4992)
AfaR94.9 (9079/9563)72.6 (6658/9166)
RocR158.8 (8628/14668)11.5 (1013/8842)
RocR252.1 (25366/48725)1.98 (504/25392)
OsiR192.7 (10058/10846)75.9 (7163/9437)
OsiR291.5 (10014/10949)79.9 (7849/9821)