Table 1 Correlation between AQP5 expression and clinicopathological characteristics

Gender

female

31

14

17

0.028

0.867

male

51

24

27

Age

 ≤ 60

28

13

15

0.001

0.981

 > 60

52

24

28

unknown

2

Grade

moderate differentiation

14

11

3

8.883

0.012

poor differentiation

58

25

33

undifferentiation

10

2

8

Pathological type

Borromann I

4

1

3

2.178

0.536

Borromann II

29

14

15

Borromann III

30

11

19

Borromann IV

5

1

4

others

14

T stage

T1-2

16

10

6

1.945

0.163

T3-4

65

28

37

unknown

1

N stage

N0

20

11

9

0.697

0.404

N1-3

61

27

34

unknown

1

M stage

M0

73

35

38

0.688

0.407

M1

9

3

6

TNM stage

1–2

32

19

13

3.298

0.069

3–4

49

19

30

unknown

1