TABLE 2.
Characteristics of the Study Population, n = 18
| Characteristic | No. of Patients (%) | 
|---|---|
| Sex | |
| Men | 15 (83) | 
| Women | 3 (17) | 
| Age: Median [range], y | 56, [44–70] | 
| Karnofsky performance status; Median [range] | 90 [80–100] | 
| Primary site | |
| Nasopharynx | 1 | 
| Nasal cavity | 1 | 
| Oral cavity | 1 | 
| Oropharynx | 14a | 
| Hypopharynx | 1 | 
| Stage, clinical | |
| III | 1 | 
| IVA | 14 | 
| IVB | 3 | 
| Tobacco history, pack-years | |
| Never smoker of cigarettes | 7 | 
| >0to ≤ 10 | 1 | 
| >10 to ≤ 35 | 9 | 
| >35 | 1 | 
Thirteen patients had primary tumor in base of tongue and/or tonsil; 1 patient had soft palate primary. The analysis includes 1 patient with tonsil squamous cell carcinoma who was enrolled but never treated.