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Table 1 Clinicopathological characteristics of patients from the oropharyngeal cancer cohort (n = 110)

From: Low prevalence of p16-positive HPV-related head-neck cancers in Thailand: tertiary referral center experience

  n %
Male: Female 95:15 (6.3:1)  
Age, mean (range) 59 (28–89)  
Tumor sampling
 Surgery 16 14.5%
 Biopsy 94 85.5%
Site   
 Base of tongue 43 39.1%
 Tonsil 36 32.7%
 Pharyngeal wall 14 12.7%
 Soft palate 17 15.5%
Squamous cell carcinoma type:
 Non-keratinizing 8 7.3%
 Non-keratinizing with maturation 18 16.4%
 Keratinizing 84 76.4%
p16 status   
 p16-positive 31 28.2%
 p16-negative 79 71.8%
HPV status
 HPV-positive 16 14.5%
 HPV-negative 94 85.5%
Risk-of-death categories
 Low risk 18 18.4%
 Intermediate risk 21 21.4%
 High risk 59 60.2%
Treatment
 RT + systemic 63 57.3%
 RT 16 14.5%
 Surgical + chemoradiotherapy 9 8.2%
 Palliative RT/CCRT 4 3.6%
 No data 18 16.4%
Follow-up status
 Alive 42 38.2%
 Death 68 61.8%
Survival (months)   
 Mean 23.1  
 Median 17  
Median follow-up (months)
 Alive group 30.5 (14–90)  
 Died group 10 (1–53)  
  1. HPV human papilloma virus, RT radiotherapy, CCRT concurrent chemoradiotherapy