Table 1.
Baseline characteristics. Clinical disease stage according to UICC TNM classification (8th edition); ECOG, Eastern Cooperative Oncology Group.
| Characteristic | n (%) |
|---|---|
| Total | 17 (100) |
| Sex | |
| Male | 10 (59) |
| Female | 7 (41) |
| Age | |
| Median, years (range) | 63 (42-76) |
| ECOG performance status | |
| 0 | 14 (82) |
| 1 | 3 (18) |
| History of smoking | |
| Yes | 13 (76) |
| No | 2 (12) |
| Missing | 2 (12) |
| History of alcohol abuse | |
| Yes | 7 (41) |
| No | 8 (47) |
| Missing | 2 (12) |
| Tumor site | |
| Oral cavity | 17 (100) |
| Clinical T category | |
| cT1 | 0 (0) |
| cT2 | 2 (12) |
| cT3 | 0 (0) |
| cT4 | 15 (88) |
| Clinical N category | |
| cN0 | 2 (12) |
| cN1 | 1 (6) |
| cN2a | 1 (6) |
| cN2b | 11 (65) |
| cN2b | 2 (12) |
| cN3 | 0 (0) |
| Pathological tumor differentiation | |
| Well differentiated (G1) | 1 (6) |
| Moderately differentiated (G2) | 16 (94) |
| Poorly differentiated (G3) | 0 (0) |
| Clinical disease stage | |
| III | 0 (0) |
| IVA | 17 (100) |