Characteristics

Patients with NSCLC, n = 234, (%)

Control, n = 383, (%)

Age (years):

Median

61.9

63.8

Мin/max

32/88

33/94

Gender:

Female

53 (22.6)

88 (23.00)

Male

181 (77.3)

295 (77.0)

Smoking status:

Does not smoke

68 (29.1)

166 (43.3)

Smokes

145 (61.9)

126 (32.9)

No information

21 (9.0)

91 (23.7)

Histology:

Squamous-cell carcinoma

126 (53.8)

Adenocarcinoma

108 (46.2)

Stage:

I

103 (44.0)

II

45 (19.2)

III

70 (30.0)

IV

16 (6.8)

Degree of the primary lesion spread (T):

T1

75 (32.1)

T2

107 (45.7)

T3

32 (13.7)

T4

20 (8.5)

Regional metastases (N):

N0

124 (53.0)

N1

45 (19.2)

N2

60 (25.6)

N3

4 (1.7)

Distant metastases (M):

M0

217 (92.7)

M1

17 (7.3)