Table 2.
Tumor Characteristics
| Variable | HNSCC cases with progression (n=15) | HNSCC cases without progression (n=16) | P |
|---|---|---|---|
| Stage, n (%) | 1.00 | ||
| I/II | 2 (13.3) | 3 (18.7) | |
| III/IV | 10 (66.7) | 9 (56.3) | |
| Recurrent | 3 (20.0) | 4 (25.0) | |
| Tumor size (cm) | |||
| Median (range) | 2.9 (0, 4.5) | 1.7 (0, 6.0) | 0.12 |
| Mean ± SD | 2.4 ± 1.3 | 1.9 ± 1.5 | 0.25 |
| Tumor site, n (%) | 0.69 | ||
| Oral cavity | 2 (13.4) | 4 (25.0) | |
| Oropharynx | 3 (20.0) | 5 (31.1) | |
| Hypopharynx | 1 (6.8) | 1 (6.3) | |
| Larynx | 8 (53.0) | 4 (25.0) | |
| Unknown | 1 (6.8) | 1 (6.3) | |
| Others | 0 (0) | 1 (6.3) | |
| Treatment, n (%) | 0.55 | ||
| Surgery | 3 (20) | 7 (43.8) | |
| Radiation | 2 (13.3) | 2 (12.5) | |
| Chemoradiation | 7 (46.7) | 5 (31.2) | |
| Surgery+RT/CRT | 3 (20) | 2 (12.5) | |
| PGE-M | |||
| Median (range) | 21.7 (2.4, 69.7) | 13.4 (4.9, 38.2) | 0.03 |
| Mean ± SD | 25.1 ± 17.4 | 14.5 ± 8.8 | 0.04 |