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Table 3 Univariate Analysis of positive lymph nodes (pN0, pN+)

From: Correction to: Predictive risk factors for lymph node metastasis in patients with resected non-small cell lung cancer: a case control study

Variables

pN0 (%)

pN+ (%)

P-Value

Sex

0.397

ā€ƒmale

85 (59.9)

57 (40.1)

ā€ƒfemale

41 (66.1)

21 (33.9)

Age

0.314

ā€ƒā‰¤ā€‰68ā€‰years

63 (58.3)

45 (41.7)

ā€ƒ>ā€‰68ā€‰years

63 (65.6)

33 (34.4)

Tumor site

0.067

ā€ƒRight

84 (66.7)

42 (33.3)

ā€ƒLeft

42 (53.8)

36 (46.2)

Tumor localization

< 0.001

ā€ƒcentral

22 (41.5)

31 (58.5)

ā€ƒperipheral

104 (69.8)

45 (30.2)

Tumor size

<ā€‰0.001

ā€ƒā‰¤ā€‰3ā€‰cm

76 (74.5)

26 (25.5)

ā€ƒ>ā€‰3ā€‰cm

50 (49)

52 (51)

Lobe distribution

0.834

ā€ƒUL a

78 (60.9)

50 (39.1)

ā€ƒNon-UL

40 (62.5)

24 (37.5)

Number of dissected LN b

0.005

pT-category

0.001

ā€ƒpT1

69 (76.7)

21 (23.3)

ā€ƒpT2

27 (50.9)

26 (49.1)

ā€ƒpT3

17 (47.2)

19 (52.8)

ā€ƒpT4

11 (47.8)

12 (52.2)

R-classification

0.048

ā€ƒR0

120 (96.0)

5 (4.0)

ā€ƒR1ā€“2

69 (88.5)

9 (11.5)

L-status

<ā€‰0.001

ā€ƒL0

54 (94.7)

3 (5.3)

ā€ƒL1

71 (48.6)

75 (51.4)

V-status

0.001

ā€ƒV0

111 (67.3)

54 (32.7)

ā€ƒV1

14 (36.8)

24 (63.2)

Pn-status

0.188

ā€ƒPn0

121 (96.8)

4 (3.2)

ā€ƒPn1

72 (92.3)

6 (7.7)

Histological tumor type

0.141

ā€ƒAdeno-Ca.b

79 (67.5)

38 (32.5)

ā€ƒSCCc

41 (54.7)

34 (45.3)

ā€ƒothers

6 (50.0)

6 (50.0)

Grading

0.005

ā€ƒG1

22 (88.0)

3 (12.0)

ā€ƒG2

60 (63.2)

35 (36.8)

ā€ƒG3

34 (50.0)

34 (50.0)

ā€ƒG4

6 (50.0)

6 (50.0)

  1. aUL Upper lobe, bAdeno-Ca. Adenocarcinoma, cSCC Squamous cell carcinoma