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Table 1 Characteristics of patients with oropharyngeal cancer included for tissue microarray and droplet digital PCR analysis

From: EGFR as a biomarker of smoking status and survival in oropharyngeal squamous cell carcinoma

Characteristic TMA (N = 218) ddpcr (N = 60)
Age (mean) 57.0 61.3
Sex (% male) 78.4 83.3
p16 positive (%) 55.5 83.3
HR-HPV POsitive (%) 28.3
Smoking > 10 pY (%) 72.4 56.7
Smoking > 20 py (%) 52.2 38.3
TNM stage (%)*
 I 15
 II 56.7
 III 23.8 18.3
 IV 76.2 10
Treatment (%)
 Surgery +/− RT 58.8 81.7
 RT/CRT (+/− salvage) 41.2 18.3
  1. *TNM stage as per AJCC 7th Edition. CRT chemoradiation, DDPCR droplet digital PCR, HR-HPV high-risk human papillomavirus (oncogenic), RT radiation therapy, TMA tissue microarray analysis