Characteristics | All patients (N = 351) | Paitents with shistosomiasis (N = 137) | Patients without schistosomiasis (N = 214) | |||
---|---|---|---|---|---|---|
N | % | N | % | N | % | |
Age(> 60ys) | 268 | 76 | 132 | 96 | 136 | 64 |
Gender(Male) | 214 | 61 | 86 | 63 | 126 | 59 |
Tumor location | ||||||
Rectum | 94 | 27 | 37 | 27 | 57 | 27 |
Left colon | 115 | 33 | 51 | 37 | 64 | 30 |
Right colon | 142 | 40 | 49 | 36 | 93 | 43 |
Tumor size(< 5 cm) | 174 | 50 | 68 | 50 | 106 | 50 |
Tumor differentiation | ||||||
Well to moderately diff | 267 | 76 | 102 | 74 | 165 | 77 |
Poor diff | 84 | 24 | 35 | 26 | 49 | 23 |
Lymphovascular invasion (Negative) | 122 | 35 | 90 | 66 | 136 | 64 |
Nervous invasion (Negative) | 31 | 1.0 | 125 | 91 | 194 | 91 |
Tumor deposit | 42 | 1.2 | 120 | 88 | 189 | 88 |
Colonic perforation (Yes) | 13 | 0.4 | 5 | 4 | 8 | 4 |
Tummor budding (< 5 cells) | 219 | 62 | 99 | 72 | 156 | 73 |
Ulceration (No) | 149 | 42 | 77 | 56 | 125 | 58 |
Histological type | ||||||
Adenocarcinoma | 311 | 89 | 119 | 87 | 189 | 88 |
Mucinous/SRCC | 40 | 11 | 18 | 13 | 25 | 12 |
Pathological T stage | ||||||
T1-2 | 80 | 23 | 29 | 21 | 51 | 24 |
T3-4 | 271 | 77 | 108 | 79 | 163 | 76 |
Lymph node metastasis | ||||||
No | 207 | 59 | 81 | 59 | 126 | 59 |
Yes | 144 | 41 | 56 | 41 | 88 | 41 |
TNM stage | ||||||
I + II | 190 | 54 | 76 | 55 | 116 | 54 |
III + IV | 161 | 46 | 61 | 45 | 98 | 46 |
schistosomiasis | 137 | 39 | --- | --- | --- | --- |