Table 1. Number of enrolled subjects and demographic characteristics by diagnosis group in this study.

Diagnosis group	Total	Gender			Age, years
		Male	Female		<50	50–59	60–69	≥70
Overall	163	104	59		26	53	59	25
Stage
I	30	21	9		2	11	12	5
II	29	17	12		4	9	10	6
III	26	25	11		9	14	8	5
IV	68	41	27		11	19	29	9
SCLC	24	16	8		5	7	8	4
NSCLC	44	25	19		6	12	21	5
EGFR M+	16	8	8		2	5	7	2
EGFR M−	28	17	11		4	7	14	3

SCLC, small cell lung cancer; NSCLC, non-small cell lung cancer; EGFR M+, with EGFR-sensitive mutations; EGFR M−, without EGFR-sensitive mutations.