Identification of somatic mutations in EGFR/KRAS/ALK-negative lung adenocarcinoma in never-smokers

Table 1 Patient characteristics (N = 70)

Characteristic	This study	Expansion cohort^a	TCGA-LUAD^a
Number of patients	16	40	14
Age (years)
Median	58.5	63	69
Range	47 to 79	36 to 87	52 to 79
Sex (%)
Male	1 (6)	7 (17)	2 (14)
Female	15 (94)	29 (73)	12 (86)
n/a	0	4 (10)	0
Clinical stage (%)
I	13 (81)	24 (60)	9 (65)
II	0	6 (15)	2 (14)
III	3 (19)	6 (15)	3 (21)
IV	0	1 (2)	0
n/a	0	3 (8)	0
Ethnic group (%)
Caucasian	0	16 (40)	14 (100)
Asian	16 (100)	24 (60)	0

^aNever-smokers with EGFR/KRAS-negative adenocarcinoma. Mb, megabase; n/a, not available; SD, standard deviation; TCGA-LUAD, The Cancer Genome Atlas - Lung adenocarcinoma.

ISSN: 1756-994X