Table 3.

Comparison for the distribution of EGFR mutations between males and females.

Characteristics	Total (n)	Male	Female	p Value
Single EGFR mutation
Exon 19 deletion	187	82	105	0.031
Exon 21 L858R	189	69	120	0.012
Exon 20 insertion	11	5	6	0.074
Exon 21 L861Q	14	7	7	0.131
Exon 18 G719X	5	3	2	NS
Double EGFR mutation
L858R+T790M	5	1	4	NS
L858R+S768I	1	1	0	NS
G719X+S768I	2	0	2	NS
19del+T790M	2	0	2	NS