Table 1 Clinicopathological characteristics of patients
Characteristic | Value (%) |
|---|---|
Mean age (year ± SD) (range) | 62.5 ± 12.4 (26–91) |
Gender, n(%) | |
Male | 122 (54.5) |
Female | 102 (45.5) |
CEA | |
> 5 ng/ml | 95 (42.4) |
≤ 5 ng/ml | 129 (57.6) |
CA19-9 | |
> 37 U/ml | 55 (24.6) |
≤ 37 U/ml | 169 (76.4) |
Hospital stays after surgery (mean ± SD) (range) | 8.7 ± 5.2 (4–44) |
Lymph nodes harvested (mean ± SD) (range) | 35.9 ± (3.7) (8–80) |
Histological differentiation, n (%) | |
Well differentiated | 16 (7.1) |
Moderately differentiated | 158 (70.5) |
Poor differentiated | 10 (4.5) |
Mucinous | 40 (17.9) |
pT category, n (%) | |
T1 | 5 (2.2) |
T2 | 17 (7.6) |
T3 | 160 (71.4) |
T4a | 23 (10.3) |
T4b | 19 (8.5) |
pN category, n (%) | |
N0 | 111 (49.6) |
N1 | 74 (33.0) |
N2 | 39 (17.4) |
pTNM stage, n (%) | |
I | 19 (8.5) |
II | 92 (41.1) |
III | 113 (50.4) |
Vascular invasion, n (%) | |
Yes | 70 (31.3) |
No | 154(68.7) |
Perineural invasion | |
Yes | 60 (26.8) |
No | 164(73.2) |