Feature

Strata

SCC (n = 191)

AC (n = 879)

SCLC (n = 179)

Age (years)

<40

4 (2.09%)

64 (7.28%)

7 (3.91%)

41 - 50

10 (5.24%)

121 (13.77%)

16 (8.94%)

51 - 60

61 (31.94%)

256 (29.12%)

61 (34.08%)

61 - 70

75 (39.27%)

298 (33.90%)

62 (34.64%)

>70

41 (21.47%)

140 (15.93%)

33 (18.44%)

Sex

Female

26 (13.61%)

260 (29.58%)

30 (16.76%)

Male

165 (86.39%)

619 (70.42%)

149 (83.24%)

Residence

East

4 (2.09%)

26 (2.96%)

6 (3.35%)

North

4 (0.46%)

1 (0.56%)

OS

5 (2.62%)

17 (1.93%)

5 (2.79%)

South

179 (93.71%)

818 (93.06%)

166 (92.74%)

West

2 (1.05%)

10 (1.14%)

1 (0.56%)

BMI

25 - 30

18 (9.42%)

60 (6.83%)

16 (8.94%)

30 - 35

3 (1.57%)

15 (1.71%)

3 (1.68%)

35 - 40

1 (0.52%)

4 (0.46%)

2 (1.12%)

<25

61 (31.94%)

193 (21.96%)

61 (34.08%)

Method of diagnosis

Biopsy

29 (15.18%)

114 (12.97%)

59 (32.96%)

Bronchoscopy

2 (1.05%)

4 (0.46%)

1 (0.56%)

Cytology

5 (2.62%)

21 (2.39%)

7 (3.91%)

Histopathology

159 (83.25%)

748 (85.10%)

112 (62.57%)

Stage

IA

1 (0.56%)

IB

2 (0.23%)

II

2 (0.23%)

IIA

2 (0.23%)

IIB

1 (0.52%)

3 (0.34%)

1 (0.56%)

III

5 (2.62%)

18 (2.05%)

3 (1.68%)

IIIA

4 (2.09%)

7 (0.80%)

4 (2.23%)

IIIB

11 (5.76%)

13 (1.48%)

11 (6.15%)

IIIC

2 (0.23%)

IV

82 (42.93%)

397 (45.16%)

96 (53.63%)

IVA

3 (1.57%)

3 (0.34%)

2 (1.12%)

IVB

1 (0.52%)

5 (0.57%)

2 (1.12%)