Table 1. Clinical and pathological characteristics of patients.
Patient characteristics | No. of patients | (%) |
---|---|---|
Gender | ||
Male | 438 | 72.4 |
Female | 167 | 27.6 |
Age | ||
<60 | 262 | 43.3 |
≥60 | 343 | 56.7 |
Differentiation | ||
Well, moderate | 121 | 20.0 |
Poorly | 484 | 80.0 |
Tumor size (cm) | ||
<5 cm | 312 | 51.7 |
≥5 cm | 293 | 48.3 |
N category | ||
N0 | 106 | 17.5 |
N1 | 126 | 20.8 |
N2 | 172 | 28.4 |
N3 | 201 | 33.2 |
Vascular or nerves invasion | ||
Negative | 268 | 44.3 |
Positive | 337 | 55.7 |
Stage | ||
IIA | 29 | 4.8 |
IIB | 127 | 21.0 |
IIIA | 113 | 18.7 |
IIIB | 145 | 24.0 |
IIIC | 191 | 31.5 |