Table 1.

Clinical characteristics of 256 patients with NSCLC with next‐generation sequencing assay

Characteristics	No. (%)	Adenocarcinoma (%)	Squamous cell carcinoma (%)
Gender
Male	106 (41.4%)	78 (30.5%)	13 (5.1%)
Female	150 (58.6%)	141 (55.1%)	1 (0.4%)
Age
≤55 years	74 (28.9%)	68 (26.6%)	0
55–70 years	132 (51.6%)	117 (45.7%)	10 (3.9%)
>70 years	40 (15.6%)	33 (12.9)	2 (0.8%)
Unknown	10 (3.9%)	/	/
Smoking history
Yes	51 (19.9%)	36 (14.1%)	8 (3.1%)
No	205 (80.1%)	183 (71.5%)	6 (2.3%)
Histological type
Adenocarcinoma	219 (85.5%)	/	/
Squamous cell carcinoma	16 (6.3%)	/	/
Adenosquamous carcinoma	1 (0.4%)	/	/
Unknown	20 (7.8%)	/	/
Tumor stage
I	175 (68.4%)	169 (66.0%)	5 (2.0%)
II‐IV	43 (16.8%)	6 (10.9%)	8 (3.1%)
Unknown	38 (14.8%)