Table 1 Characteristics of the lung SCC patients (Tianjin cohort)

Age (Years)

<60

71

40.1%

≥60

106

59.9%

Gender

Male

151

85.3%

Female

26

14.7%

Smoking history

Never

29

16.4%

Smoker

148

83.6%

Surgical Procedure

Lobectomy

143

80.8%

Pneumonectomy

30

16.9%

Extend

4

2.3%

T stage

T1

45

25.4%

T2

107

60.5%

T3

25

14.1%

N stage

N0

126

71.2%

N1

16

9.0%

N2

35

19.8%

TNM Stage

I

91

51.4%

II

48

27.1%

IIIA

38

21.5%