Table 1.

Clinical pathological parameters of patients with lung adenocarcinoma in this research

Clinical characteristic	N	%
Age (years)
> 66	241	46.2
< 66	262	50.2
= 66	19	3.6
Gender
Male	242	46.4
Female	280	53.6
T classification
T1−T2	453	86.8
T3–T4	69	13.2
N classification
N0	325	62.3
N1–3	186	35.6
M classification
M0	353	67.6
M1–Mx	165	31.6
UICC stage
I stage	279	53.4
II–IV stage	234	44.8
Neoplasm cancer status
With tumor	314	60.2
Tumor free	111	21.3
Residual tumor
R0	348	66.7
R1	44	8.4