Table 6 COX-2 expression and correlation with clinical features

Ages

0.599

≤60

3

30

90.90%

>60

2

15

88.20%

Sex

0.362

Male

4

27

87.10%

Female

1

18

94.70%

Pathologic type

0.022*

Squamous carcinoma

5

16

76.20%

Adencarcinoma

0

26

100%

Mixed type

0

3

100%

Tumor length

0.518

≤3 cm

2

14

87.50%

>3 cm

3

31

91.20%

Level of Differentiation

0.258

Poor Differentiated

2

8

80%

Moderate and Well Differentiated

3

37

92.50%

TNM Stage

0.129

I-II

11

5

40%

III

13

15

50.60%

IV

3

3

50%

Lymph node

0.006*

N0

9

1

10%

N1-3

17

22

56.40%