Tumor Subsites of Study Participants
| Entire cohort (n = 473) | pN+ (n = 211) | |||||
| Tumor subsite | PET-negative (n = 199) | PET-positive (n = 274) | P | PET-negative (n = 47) | PET-positive (n = 164) | P |
| Overall | 0.229 | 0.029 | ||||
| Tongue | 75 (37.7) | 88 (32.1) | 18 (38.3) | 51 (31.1) | ||
| Mouth floor | 7 (3.5) | 7 (2.6) | 1 (2.1) | 5 (3.0) | ||
| Lip | 5 (2.5) | 2 (0.7) | 1 (2.1) | 0 | ||
| Buccal | 63 (31.7) | 116 (42.3) | 13 (27.7) | 76 (46.3) | ||
| Alveolar ridge | 31 (15.6) | 42 (15.3) | 7 (14.9) | 25 (15.2) | ||
| Hard palate | 3 (1.5) | 4 (1.5) | 1 (2.1) | 2 (1.2) | ||
| Retromolar | 15 (7.5) | 15 (5.5) | 6 (12.8) | 5 (3.0) | ||
Data in parentheses are percentages.