Table 1.

Baseline Characteristics of the Total Study Population.

	Number of patients	%
Age, years
≤60	69	38
>60	113	62
Sex
Female	74	41
Male	108	59
Pathology
Adenocarcinoma	140	77
Squamous cell	13	7
Other NSCLC	12	7
SCLC	17	9
TNM stage
I	60	33
II	13	7
III	35	19
IV	74	41
Chemotherapy
Yes	84	46
No	98	54
LN metastasis
Yes	73	40
No	109	60
Distant metastasis
Yes	74	41
No	108	59

LN, lymph node; NSCLC, non-small cell lung cancer; SCLC, small cell lung cancer.