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

Table 4

Patient characteristics and ALK fusions.

Variables	Cases	ALK fusions (%)	P
Gender
Female	13	3 (23.1%)	0.29
Male	9	4 (44.4%)
Smoking history
Never smoker	20	6 (30.0%)	0.56
Ever smoker	2	1 (50.0%)
Histology classification
Adenocarcinoma	19	7 (36.8%)	0.20
Others	3	0
Stage
I-II	2	1 (50.0%)	0.56
III-IV	20	6 (30.0%)
Age (years)
14–25	5	1 (20.0%)	0.51
26–35	17	6 (35.2%)3

was considered a statistically significant difference.