Table 1.
Patient and Tumor Characteristics for OCSCC and OPSCC. SD, standard deviation.
| Oral Cavity n = 49 | Oropharynx n = 36 | |
|---|---|---|
| Patient Characteristic | ||
|
| ||
| Age: mean (SD) | 57.2 (17.0) | 52.3 (11.0) |
|
| ||
| Gender | ||
| Male | 17 (35%) | 53 (14%) |
| Female | 32 (65%) | 31 (86%) |
|
| ||
| Smoking History | ||
| Never | 3 (6%) | 2 (6%) |
| Past | 36 (73%) | 29 (81%) |
| Current | 6 (12%) | 4 (11%) |
| Unknown | 4 (8%) | 1 (3%) |
|
| ||
| Adjuvant Treatment | ||
| None | 15 (30%) | - |
| Radiotherapy | 33 (66%) | 31 (86%) |
| Chemoradiotherapy | 2 (4%) | 5 (14%) |
|
| ||
| Tumor Characteristic | ||
|
| ||
| T stage (clinical) | ||
| T1 | 5 (10%) | 1 (3%) |
| T2 | 15 (31%) | 9 (25%) |
| T3 | 10 (20%) | 12 (33%) |
| T4 | 19 (39%) | 14 (39%) |
|
| ||
| N stage (pathologic) | ||
| N0 | 22 (45%) | 5 (14%) |
| N1 | 8 (16%) | 4 (11%) |
| N2 | 19 (39%) | 24 (69%) |
| N3 | - | 2 (6%) |
|
| ||
| AJCC Stage | ||
| I | 4 (8%) | - |
| II | 8 (16%) | - |
| III | 9 (18%) | 6 (17%) |
| IV | 26 (57%) | 30 (83%) |
|
| ||
| Histologic Grade | ||
| Well | 9 (20%) | 2 (6%) |
| Moderate | 30 (65%) | 19 (54%) |
| Poor | 7 (15%) | 14 (40%) |
|
| ||
| Perineural Invasion | 10 (20%) | 4 (11%) |
|
| ||
| Perivascular Invasion | 7 (14%) | 8 (22%) |
|
| ||
| Nodal ECS | 12 (24%) | 21 (58%) |