Table 2.
Relationship between POLE2 expression and tumor characteristics in patients with esophagus cancer
Features | No. of patients | POLE2 expression | P value | ||
---|---|---|---|---|---|
Low | High | ||||
All patients | 101 | 41 | 60 | ||
Age (years) | 0.601 | ||||
≤ 65 | 51 | 22 | 29 | ||
> 65 | 50 | 19 | 31 | ||
Gender | 0.040* | ||||
Male | 75 | 26 | 49 | ||
Female | 26 | 15 | 11 | ||
Lymph node positive | 0.100 | ||||
≤ 1 | 52 | 24 | 28 | ||
> 1 | 38 | 11 | 27 | ||
Tumor size (cm) | 0.757 | ||||
< 5 | 41 | 16 | 25 | ||
≥ 5 | 42 | 15 | 27 | ||
Grade | 0.635 | ||||
I | 8 | 3 | 5 | ||
II | 66 | 26 | 40 | ||
III | 27 | 12 | 15 | ||
AJCC stage | 0.002** | ||||
1 | 4 | 2 | 2 | ||
2 | 42 | 25 | 17 | ||
3 | 50 | 13 | 37 | ||
T infiltrate | 0.623 | ||||
T1 | 4 | 2 | 2 | ||
T2 | 11 | 5 | 6 | ||
T3 | 80 | 33 | 47 | ||
T4 | 3 | 1 | 2 | ||
Lymphatic metastasis (N) | 0.006** | ||||
N0 | 45 | 26 | 19 | ||
N1 | 30 | 7 | 23 | ||
N2 | 19 | 6 | 13 | ||
N3 | 4 | 1 | 3 |