Males

Females

Overall

p

Age (mean±SD)

68.17±10.7

67.41±13

68±11

0.44

Smoking

95%

16%

80.6%

<0.001

Packs/year

61.3±29.1

36.18±18.9

60.52±29

<0.001

Histology

 

 

 

 

Adenocarcinoma

24%

50.3%

27.9%

<0.001

Squamous cell

45.4%

11.6%

40.5%

 

Small cell

23%

23.1%

22.9%

 

Others ▪

7.6%

15.4%

8.7%

 

Stage

 

 

 

 

I,II

20.5%

18.9%

20.4%

0.009

IIIA,IIIB

46.2%

35%

44.5%

 

IV

33.3%

46.2%

31.1%

 

? SD: standard deviation
? p: statistical significance for the comparison between the two sexes
? Others: adenosquamous, large cell, undifferentiated, carcinoid
Table 1: Overall and sex-related epidemiological and clinical characteristics of the patients.