Table IV.

EGFR mutation status detected by ARMS-PCR, ddPCR and ARMS-Plus.

Mutation	ARMS-PCR	ddPCR	ARMS-Plus
Wild type	43	42	41
19Del	20	21	21
L858R	11	12	13
19Del+L858R	1	0	0
19Del+T790M	2	2	2
Total n	77	77	77

EGFR, epidermal growth factor receptor; ARMS, amplification refractory mutation system; ddPCR, droplet digital polymerase chain reaction; 19Del, exon 19 deletion.