Table 4.
Variables | Total | Low (%) | High (%) | P-value |
---|---|---|---|---|
|
||||
225 | 14 | 211 | ||
Age at surgery (years) | ||||
≤60 | 79 | 5 | 74 | 0.961 |
>60 | 146 | 9 | 137 | |
Gender | ||||
Male | 126 | 10 | 116 | 0.230 |
Female | 99 | 4 | 95 | |
Pathophysiologic features | ||||
Tumor size (cm) | ||||
≤5 | 116 | 8 | 108 | 0.666 |
>5 | 109 | 6 | 103 | |
Tumor location | ||||
Rectum | 136 | 9 | 127 | 0.761 |
Colon | 89 | 5 | 84 | |
Histological type | ||||
WD/MD | 168 | 12 | 156 | 0.326 |
PD | 57 | 2 | 55 | |
T stage | ||||
T1/2 | 70 | 8 | 62 | 0.030* |
T3/4 | 155 | 6 | 149 | |
Lymph node metastasis | ||||
Negative | 138 | 7 | 131 | 0.369 |
Positive | 87 | 7 | 80 | |
M stage | ||||
M0 | 219 | 14 | 205 | 0.552 |
M1 | 6 | 0 | 6 | |
Lymphatic invasion | ||||
Negative | 206 | 13 | 193 | 0.856 |
Positive | 19 | 1 | 18 | |
Tumor stage | ||||
I | 58 | 5 | 53 | 0.312 |
IIa, IIb, IIc | 79 | 2 | 77 | |
IIIa, IIIb, IIIc | 82 | 7 | 75 | |
IVa, IVb | 6 | 0 | 6 |
Indicated statistical significance (P<0.05).