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Table 1 Baseline demographic and clinical characteristics

From: Supraclavicular lymph node incisional biopsies have no influence on the prognosis of advanced non-small cell lung cancer patients: a retrospective study

Characteristics

Excisional biopsy

Incisional biopsy

Total

P value

(n = 163)

(n = 39)

(n = 202)

Sex

   

0.003

 Male

92 (56.4%)

32 (82.1%)

124 (61.4%)

 

 Female

71 (43.6%)

7 (17.9%)

78 (38.6%)

 

Age

   

0.922

 Median

58 (26–85)

58 (29–75)

58 (26–85)

 

 <65

110 (67.5%)

26 (66.7%)

136 (67.3%)

 

 ≥65

53 (32.5%)

13 (33.3%)

66 (32.7%)

 

Smoking status

   

0.008

 Never-smoker

93 (57.1%)

13 (33.3%)

106(52.5%)

 

 Current/ever-smoker

70(42.9%)

26(66.7%)

96 (47.5%)

 

ECOG PS

   

1.000a

 PS 0–1

143 (87.7%)

35 (89.7%)

178 (88.1%)

 

 PS ≥2

20 (12.3%)

4 (10.3%)

24 (11.9%)

 

Histology

   

0.747

 Adenocarcinoma

138 (84.7%)

31 (79.5%)

169 (83.7%)

 

 Squamous

13 (8.0%)

4 (10.3%)

17 (8.4%)

 

 Large cell

7 (4.3%)

2 (5.1%)

9 (4.5%)

 

 Other NSCLC

5 (3.1%)

2 (5.1%)

7 (3.5%)

 

Stage

   

0.448

 IIIB

29 (17.8%)

9 (23.1%)

38 (18.8%)

 

 IV

134 (82.2%)

30 (76.9%)

164 (81.2%)

 

LN size

   

<0.001

 Mean size

18.6 mm

25.9 mm

20.0 mm

 

 >2 cm

34 (20.9%)

23 (59.0%)

57 (28.2%)

 

 ≤2 cm

129 (79.1%)

16 (41.0%)

145 (71.8%)

 

LN site

   

0.107

 Unilateral

132 (81.0%)

27 (69.2%)

159 (78.7%)

 

 Bilateral

31 (19.0%)

12 (30.8%)

43 (21.3%)

 

LN number

   

0.109

 Single

77 (47.2%)

24 (61.5%)

101 (50.0%)

 

 Multiple

86 (52.8%)

15 (38.5%)

101 (50.0%)

 

Fixed LN

   

<0.001

 Fixed

119 (73.0%)

6 (15.4%)

125 (61.9%)

 

 Unfixed

44 (27.0%)

33 (84.6%)

77 (38.1%)

 

Systemic treatment

   

0.141

 Yes

127 (77.9%)

26 (66.7%)

153 (75.7%)

 

 No

36 (22.1%)

13 (33.3%)

49 (24.3%)

 
  1. ECOG PS Eastern Cooperative Oncology Group performance status, LN lymph node
  2. aFisher’s exact test