[Retracted] Gene Mutation and Its Association with Clinicopathological Features in Young Patients with Non-Small-Cell Lung Cancer

Table 3

Patient characteristics and EGFR mutation.

Variables	Cases	EGFR mutation (%)	P
Gender
Female	24	5 (20.8%)	0.07
Male	17	8 (47.0%)
Smoking history
Never smoker	39	11 (28.2%)	0.03
Ever smoker	2	2 (100%)
Histology classification
Adenocarcinoma	36	13 (36.1%)	0.10
Others	5	0
Stage
I-II	8	3 (37.5%)	0.69
III-IV	33	10 (30.3%)
Age (years)
14–25	5	1 (20.0%)	0.5483
26–35	36	12 (33.3%)

was considered a statistically significant difference.