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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%)
  1. Abbreviations: no. = number; Hb = Hemoglobin.