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Table 1 Relationship between p21 expression and clinico-pathologic factors

From: Relationship of hypoxia-inducible factor 1α and p21WAF1/CIP1 expression to cell apoptosis and clinical outcome in patients with gastric cancer

Factors

p21(+) (n = 55)

p21(-) (n = 71)

P value

   Age (years)

   

<65

20

40

0.026

65

35

31

 

   Gender

   

Male

38

47

0.731

Female

17

24

 

   Depth of invasion

   

t1

33

35

0.231

t2,3,4

22

36

 

   Histology

   

Differentiated

35

39

0.325

Undifferentiated

20

32

 

   Tumor size

   

<3 cm

23

22

0.03

3 cm

22

49

 

   Lymphatic invasion

   

Negative

26

23

0.089

Positive

29

48

 

   Venous invasion

   

Negative

42

57

0.595

Positive

13

14