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Table 1 Characterization of the population study (n = 125)

From: SOD2 immunoexpression predicts lymph node metastasis in penile cancer

Variable

Category

N

%

Age

<50 yo

43

34.4

 

50 – 59 yo

41

32.8

 

≥60 yo

41

32.8

pT (TNM)

pT1a

7

5.6

 

pT1b

4

3.2

 

pT2

52

41.6

 

pT3

57

45.6

 

pT4

5

4.0

Palpable suspicious regional lymph node

No

64

51.2

 

Yes

59

47.2

 

Unknown

2

1.6

Regional lymph node status

No metastasis

74

59.2

 

Metastasis

44

35.2

 

Unknown

7

5.6

Pattern of invasion

Pushing

14

11.2

 

Infiltrating

101

80.8

 

Unknown

10

8.0

Histological grade

Grade 1

15

12.0

 

Grade 2

45

36.0

 

Grade 3

65

52.0

Perineural invasion

No

83

66.4

 

Yes

35

28.0

 

Unknown

7

5.6

Vascular invasion

No

85

68.0

 

Yes

33

26.4

 

Unknown

7

5.6

Invasion of corpora cavernous

No

22

17.6

 

Yes

60

48.0

 

Missing data

43

34.4

Invasion of corpora spongiosum

No

4

3.2

 

Yes

88

70.4

 

Unknown

33

26.4

Invasion of urethra

No

42

33.6

 

Yes

28

22.4

 

Unknown

55

44.0

Tumor depth

≤5 mm

21

16.8

 

>5 mm

92

73.6

 

Unknown

12

9.6

HPV detection

No

99

79.2

 

Yes

26

20.8

SOD2 expression

<50%

69

55.2

 

>50%

56

44.8