Table 1 Patient and tumor parameters
From: Definitive radiotherapy for early stage glottic cancer by 6 MV photons
Parameter | T1N0 | T2N0 |
|---|---|---|
Patient no. (%) | Patient no. (%) | |
All stages | 433 | 262 |
T1a | 324 (74.8%) | - |
T1b | 109 (25.1%) | - |
Gender | ||
Male | 413 (95.3%) | 249 (93.8%) |
Female | 20 (4.6%) | 13 (4.9%) |
Grade | ||
Well differentiated | 154 (35.5%) | 64 (24.4%) |
Mod differentiated | 273 (63.0%) | 179 (68.3%) |
Poorly differentiated | 6 (1.3%) | 19 (7.2%) |
Anterior commissure involved | ||
Yes | 197 (45.4%) | 186 (71%) |
No | 236 (54.1%) | 76 (29%) |
Impaired mobility | ||
Yes | Not apply | 51 (19.4%) |
No | 211 (80.5%) | |
Sub-glottic extension | ||
Yes | Not apply | 80 (31%) |
No | 182 (69%) | |
Hb level | ||
< 13 g/dL | 45 (10.4%) | 28 (10.6%) |
≥ 13 g/dL | 388 (89.6%) | 234 (91.4%) |