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Table 1 Clinicopathologic characteristics of patients with Squamous cell carcinoma included in the study

From: Low p27kip1 expression in head and neck squamous cell carcinoma: association with risk factors and adverse outcomes

Ā 

Frequency

%

Age(years)

Meanā€‰Ā±ā€‰SD

50.95ā€‰Ā±ā€‰12.35

Ā 

Groups

ā€ƒā€‰ā‰¤ā€‰30ā€‰years

6

5.7

ā€ƒ31ā€“50ā€‰years

51

48.6

ā€ƒā€‰>ā€‰50ā€‰years

48

45.7

Tumor Size (cm)

ā€ƒMeanā€‰Ā±ā€‰SD

3.27ā€‰Ā±ā€‰1.80

Ā 

ā€ƒGroups

Ā Ā 

ā€ƒā€ƒT1(ā‰¤2ā€‰cm)

27

25.7

ā€ƒā€ƒT2(2.1ā€“4.0ā€‰cm)

53

50.5

ā€ƒā€ƒT3(>ā€‰4ā€‰cm)

25

23.8

Tumor Depth (cm)

ā€ƒMeanā€‰Ā±ā€‰SD

1.14ā€‰Ā±ā€‰0.74

Ā 

ā€ƒGroups

Ā Ā 

ā€ƒā€ƒā€‰<ā€‰2ā€‰cm

89

84.8

ā€ƒā€ƒā€‰ā‰„ā€‰2ā€‰cm

16

15.2

Disease Free Survival (months)

26.66ā€‰Ā±ā€‰25.31

Ā 

History of Pan/gutka

ā€ƒPan/gutka Duration (years)

15.45ā€‰Ā±ā€‰8.70

Ā 

History of pan

ā€ƒYes

81

77.1

ā€ƒNo

24

22.9

Gender

ā€ƒMale

79

75.2

ā€ƒFemale

26

24.8

Site

ā€ƒOral cavity

72

68.6

ā€ƒLip

4

3.8

ā€ƒTongue

24

22.9

ā€ƒSoft Palate

5

4.8

Nodal Stage

ā€ƒN0

54

51.4

ā€ƒN1

15

14.3

ā€ƒN2b

34

32.4

ā€ƒN2c

1

1

ā€ƒN3

1

1

Extranodal extention

ā€ƒPresent

29

27.6

ā€ƒNot Present

76

72.4

Histological Subtypes

ā€ƒNon-keratinizing

17

16.2

ā€ƒKeratinizing

59

56.2

ā€ƒKeratinizing with maturation

29

27.6

Histological Grade

ā€ƒGrade I

25

23.8

ā€ƒGrade II

70

66.7

ā€ƒGrade III

10

9.5

Lymhovascular Invasion

ā€ƒPresent

0

0

ā€ƒNot Present

105

100

Perineural Invasion

ā€ƒPresent

16

15.2

ā€ƒNot Present

89

84.8

Recurrence

ā€ƒYes

55

52.4

ā€ƒNo

50

47.6

p27kip1 expression

ā€ƒLow Expression

39

37.1

ā€ƒHigh Expression

66

62.9