Table 4 (corrected table six) 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

0.476

I-II

2

13

86.70%

III-IV

3

32

91.40%

Lymph node

0.699

N0

1

10

90.90%

N1-3

4

35

89.70%