Control Group

n = 100

Patient Group

n = 90

Cigarette Consumption

Light user

13 (13.0)

4 (4.4)

Medium user

26 (26.0)

17 (18.9)

Heavy user

61 (61.0)

69 (76.7)

Pathology

Small cell carcinoma

-

28 (31.1)

Squamoz cell carcinoma

-

40 (44.4)

Adenocarcinoma

-

22 (24.4)

TNM Staging

Stage 2

-

10 (11.1)

Stage 3a

-

8 (8.9)

Stage 3b

-

6 (6.7)

Stage 4

-

35 (38.9)

Advanced stage

-

21 (23.3)

Stage 1b

-

2 (2.2)

Stage 2b

-

5 (5.6)

Stage 1a

-

2 (2.2)

Stage 2a

-

1 (1.1)