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Table 1 Associations between CXCR2 expression and clinical background factors

From: CXCR2 expression and postoperative complications affect long-term survival in patients with esophageal cancer

Factors

All patients

CXCR2-positive

CXCR2-negative

p value

(n = 82)

(n = 33)

(n = 49)

 

Age (years)

   

0.81

 ≦49

3 (3.7 %)

1 (3.0 %)

2 (4.1 %)

 

 50–59

40 (48.8 %)

17 (51.5 %)

23 (46.9 %)

 

 60–69

31 (37.8 %)

13 (39.4 %)

18 (36.7 %)

 

 ≧70

8 (9.8 %)

2 (6.1 %)

6 (12.2 %)

 

Sex

   

0.33

 Male

73 (89.0 %)

28 (84.8 %)

45 (91.8 %)

 

 Female

9 (11.0 %)

5 (15.2 %)

4 (8.2 %)

 

Location

   

0.60

 Upper

7 (8.5 %)

2 (6.1 %)

5 (10.2 %)

 

 Middle

52 (63.4 %)

20 (60.6 %)

32 (65.3 %)

 

 Lower

23 (28.0 %)

11 (33.3 %)

12 (24.5 %)

 

Approach

   

0.82

 Thoracotomy

61 (74.4 %)

25 (75.8 %)

36 (73.5 %)

 

 Thoracoscopy

21 (25.6 %)

8 (24.2 %)

13 (26.5 %)

 

Adjuvant therapy

   

0.58

 None

71 (86.6 %)

27 (81.8 %)

44 (89.8 %)

 

 Chemotherapy

9 (11.0 %)

5 (15.2 %)

4 (8.2 %)

 

 Chemoradiotherapy

2 (2.4 %)

1 (3.0 %)

1 (2.0 %)