Table 2 Associations between CXCR2 expression and pathological background factors

pT factor

1

40 (48.8 %)

12 (36.4 %)

28 (57.1 %)

0.06

2

10 (12.2 %)

7 (21.2 %)

3 (6.1 %)

3

32 (39.0 %)

14 (42.4 %)

18 (36.7 %)

pN factor

0

31 (37.8 %)

12 (36.4 %)

19 (38.8 %)

0.83

1

51 (62.2 %)

21 (63.6 %)

30 (61.2 %)

Histological stage

I

24 (29.3 %)

9 (27.3 %)

15 (30.6 %)

0.95

IIA

7 (8.5 %)

3 (9.1 %)

4 (8.2 %)

IIB

24 (29.3 %)

9 (27.3 %)

15 (30.6 %)

III

27 (32.9 %)

12 (36.4 %)

15 (30.6 %)

Histological type

Well

17 (20.7 %)

7 (21.2 %)

10 (20.4 %)

0.65

Moderately

57 (69.5 %)

24 (72.7 %)

33 (67.3 %)

Poorly

8 (9.8 %)

2 (6.1 %)

6 (12.2 %)

Infiltrative growth pattern

INF-a

6 (7.3 %)

3 (9.1 %)

3 (6.1 %)

0.86

INF-b

69 (84.1 %)

27 (81.8 %)

42 (85.7 %)

INF-c

7 (8.5 %)

3 (9.1 %)

4 (8.2 %)

Lymphatic invasion

(+)

65 (79.3 %)

27 (81.8 %)

38 (77.6 %)

0.64

(−)

17 (20.7 %)

6 (18.2 %)

11 (22.4 %)

Venous invasion

(+)

39 (47.6 %)

18 (54.5 %)

21 (42.9 %)

0.30

(−)

43 (52.4 %)

15 (45.5 %)

28 (57.1 %)