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Table 1 Patients characteristics

From: HPV infection and P16 expression in oral and oropharyngeal cancer in Kazakhstan

Primary Site II stage III stage IV stage Male Female Total
Oropharyngeal cancer 10 (28.6%) 19 (54.3%) 6 (17.1%) 25 (71.4%) 10 (28.6%) 35 (46.1%)
Tonsillar 5 10 3 13 5 18 (51.4%)
Base of tongue 3 3 0 4 2 6 (17.1%)
Other 2 6 3 8 3 11 (31.4%)
Oral cavity cancer 12 (29.3%) 25 (61.0%) 4 (9.8%) 25 (61%) 16 (39%) 41 (53.9%)
Floor of mouth 5 6 2 10 3 13 (31.7%)
Tongue 5 16 2 14 9 23 (56.1%)
Buccal mucosa 1 1 0 0 2 2 (4.9%)
Alveolar ridge, retromolar trigone 1 2 0 1 2 3 (7.3%)