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Table 1 Epidemiological and clinical characteristics of patients

From: Prevalence of Human papillomavirus (HPV) and Epstein-Barr virus (EBV) in oral and oropharyngeal squamous cell carcinoma in south-eastern Poland

   Oropharynx Oral cavity Total
   N = 62 % N = 92 % N = 154 %
Sex female 6 9.7 17 18.5 23 14.9
male 56 90.3 75 81.5 131 85.1
Age 40–49 12 19.3 23 25.0 35 22.8
50–59 46 74.2 60 65.2 106 68.8
70 + 4 6.5 9 9.8 13 8.4
Place of residence urban 37 59.7 55 59.8 92 59.7
rural 25 40.3 37 40.2 62 40.3
Smoking yes 52 83.9 79 85.9 131 85.1
no 3 4.8 5 5.4 8 5.2
No answer 7 11.3 8 8.7 15 9.7
Alkohol abuse yes 42 67,7 57 62.0 99 64.3
No 7 11.3 6 6.5 13 8.4
No answer 13 21.0 29 31.5 42 27.3
Histology stage G 1 2 3.2 12 13.0 14 9.1
2 50 80.6 76 82.6 126 81.8
3 10 16.2 4 4.4 14 9.1
T stage 1 0 0 0 0 0 0
2 2 3.3 31 33.7 33 21.4
3 12 19.4 19 20.7 31 20.2
4 48 77.4 42 45.6 90 58.4
N stage No 11 17.7 19 20.6 30 19.5
N1 14 22.6 18 19.6 32 20.8
N2 35 56.5 42 45.7 77 50.0
N3 2 3.2 13 14.1 15 9.7
M stage 0 62 100.0 92 100.0 154 100.0
1 0 0 0 0 0 0