Table 1 Clinicopathologic characteristics of the patients included in this analysis
Characteristic | Controls (n = 19) | GORD (n = 20) | OPSCCs (n = 39) |
|---|---|---|---|
Median age, years (range) ** | 60 (50–69) | 56 (39–86) | 58 (47–74) |
Sex | |||
 Male | 19 | 20 | 36 |
 Female | 0 | 0 | 3 |
Smoking | |||
 Never smoked | – | – | 20 |
 Smoked | – | – | 19 |
Overall stage (AJCC 7) | |||
 Stage III |  |  | 3 |
 Stage IVa |  |  | 35 |
 Stage IVb |  |  | 1 |
T-stage | |||
 T1 | – | – | 10 |
 T2 | – | – | 14 |
 T3 | – | – | 9 |
 T4 | – | – | 6 |
Lymph node metastasis | |||
 N0 | – | – | 2 |
 N1-N2 | – | – | 37 |
Cancer location | |||
 Tonsil | – | – | 26 |
 Base of tongue | – | – | 13 |