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Table 1 Patient characteristics

From: Long-term outcome and patterns of failure in patients with advanced head and neck cancer

Patient characteristic

No. of patients

Percentage

Gender

  

Male

110

87

Female

17

13

Tumor localization

  

Oropharyngeal

86

68

Hypopharyngeal

41

32

Etiologic factors

  

Alcohol abuse

102

80

Tobacco abuse

99

78

HPV16/p16

  

Positive

5

12

Negative

38

88

TNM-Staging

  

T2

9

7

T3

24

19

T4

94

74

Tx

3

2

N0

7

6

N1

6

5

N2 (a/b/c)

97 (2/35/60)

77 (2/28/47)

N3

17

13

Tumor stage according to UICC classification 1997

  

III IVA

6 104

5 82

IVB

17

13