Table 2 Relationship between p27 expression, clinicopathologic parameters, pRb status, p53 status and Ki-ras mutations

Histology

AdCs

32

38.94 ± 13.21

0.001

SqCCs

30

27.47 ± 12.40

Ploidy

Aneuploid

39

28.33 ± 11.59

0.007

Diploid

24

37.50 ± 14.07

LN

Yes

36

31.75 ± 14.33

0.558

No

31

33.77 ± 13.67

Tumor stage

I

28

34.64 ± 14.04

II

21

33.76 ± 16.47

0.309

III

18

28.39 ± 9.86

pRb status

Aberrant

26

27.73 ± 13.05

0.02

Normal

41

35.83 ± 13.75

p53 status

Positive

39

28.97 ± 13.03

0.009

Negative

28

37.86 ± 13.78

Ki-ras mutations

Yes

14

34.71 ± 12.14

0.582

No

38

32.05 ± 16.36

p53pRb status

Normal

22

37.14 ± 13.01

1 alteration

25

35.80 ± 15.30

0.002

2 alterations

20

23.90 ± 8.79