Table 2.

Baseline characteristics of EGFR mutation‐positive patients

Characteristic	First‐line	Second‐line	Third‐line
Age
< 65	28	9	3
≥ 65	29	40	10
Gender
Male	22	25	7
Female	35	24	6
Adenocarcinoma
46	42	8
Non‐adenocarcinoma
11	7	5
Stage
IIIa	2	0	1
IIIb	5	10	0
IVa	45	9	2
IVb	15	30	10
KPS	60 (30–100)	70 (50–90)	70 (30–80)

KPS, Karnofsky performance status.