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Table 1 Patient characteristics

From: Correlation of histological components with tumor invasion in pulmonary adenocarcinoma

 

n

%

Sex

Male

91

44.2

Female

115

55.8

Location

Central

15

7.3

Peripheral

191

92.7

Stage

IA

114

55.3

IB

36

17.5

IIA

22

10.7

IIB

9

4.4

IIIA

21

10.2

IIIB

1

0.5

IV

3

1.5

Tumor size

<2 cm

80

38.9

≥2 cm and <3 cm

65

31.6

≥3 cm and <5 cm

51

24.8

≥5 cm and <7 cm

8

3.8

≥7 cm

2

0.9

N stage

N0

164

79.6

N1

22

10.7

N2

20

9.7

Pleural invasion

Absent

156

75.7

Present

50

24.3

Lymphatic invasion

Absent

111

53.9

Present

95

46.1

Vascular invasion

Absent

166

80.6

Present

40

19.4