Clinical characteristics | Metastasis | Total | p value | |
---|---|---|---|---|
Yes | No | |||
All cases | 91 | 439 | 530 | |
Age (years) | 0.250 | |||
≥44 | 52 | 222 | 274 | |
<44 | 39 | 217 | 256 | |
Gender | 0.530 | |||
Male | 70 | 324 | 394 | |
Female | 21 | 115 | 136 | |
WHO histology | 0.960 | |||
Grade I–II | 46 | 223 | 269 | |
Grade III | 45 | 216 | 261 | |
2010UICC/AJCC T staging | 0.034* | |||
T1 | 5 | 59 | 64 | |
T2 | 24 | 131 | 155 | |
T3 | 28 | 140 | 168 | |
T4 | 34 | 109 | 143 | |
2010UICC/AJCC N staging | <0.001* | |||
N0 | 3 | 65 | 68 | |
N1 | 24 | 170 | 194 | |
N2 | 57 | 184 | 241 | |
N3 | 7 | 20 | 27 | |
2010UICC/AJCC staging | <0.001* | |||
I | 0 | 21 | 21 | |
II | 9 | 105 | 114 | |
III | 42 | 189 | 231 | |
IVA–B | 40 | 124 | 164 | |
Treatment modality | 0.075 | |||
Radiotherapy alone | 5 | 52 | 57 | |
Chemoradiotherapy | 86 | 387 | 473 | |
Recurrence | 0.029* | |||
Yes | 15 | 39 | 54 | |
No | 76 | 400 | 476 |