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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