Table 4.
n | Han | P | n | Uygur | P | ||||
---|---|---|---|---|---|---|---|---|---|
negative | positive | negative | positive | ||||||
Sex | male | 15 | 6 | 9 | 1.000 | 13 | 6 | 7 | 0.329 |
female | 7 | 3 | 4 | 7 | 1 | 6 | |||
Age (years) | ≤55 | 7 | 3 | 4 | 1.000 | 8 | 1 | 7 | 0.158 |
>55 | 15 | 6 | 9 | 12 | 6 | 6 | |||
T | T1–2 | 6 | 3 | 3 | 0.655 | 2 | 2 | 0 | 0.111 |
T3–4 | 16 | 6 | 10 | 18 | 5 | 13 | |||
N | N0 | 7 | 3 | 4 | 1.000 | 7 | 5 | 2 | 0.022 |
N1–3 | 15 | 6 | 9 | 13 | 2 | 11 | |||
Stage | I II | 8 | 5 | 3 | 0.187 | 5 | 4 | 1 | 0.031 |
III IV | 14 | 4 | 10 | 15 | 3 | 12 | |||
Histopathological grade | Well + Moderately differentiated | 10 | 7 | 3 | 0.027 | 6 | 2 | 4 | 1.000 |
Poorly differentiated | 12 | 2 | 10 | 14 | 5 | 9 |
Note: aFisher’s exact probability test. T: the primary tumor site; N: the involvement of regional lymph nodes; M: the presence of distant metastases; *P < 0.05.