Parameter | No. (cases) (%) | Endoscopic obstruction (%) | p-value |
---|---|---|---|
All | 329 | 120 (37) | - |
Tumor site | Â | Â | < 0.01 |
Rectum | 94 (29) | 47 (50) | Â |
Colon | 223 (68) | 155 (70) | Â |
Tumor side | Â | Â | 0.047 |
Left colon and rectum | 224 (68) | 135 (60) | Â |
Right colon | 93 (28) | 67 (72) | Â |
serum CEA | Â | Â | 0.31 |
< 5 ng/ml | 144 (59) | 87 (60) | Â |
≥ 5 ng/ml | 102 (41) | 68 (67) |  |
Tumor size | Â | Â | < 0.01 |
< 5.5 cm | 181 (57) | 104 (57) | Â |
≥ 5.5 cm | 136 (43) | 98 (72) |  |
T | Â | Â | < 0.01 |
T0-2 | 47 (14) | 18 (38) | Â |
T3-4 | 282 (86) | 191 (68) | Â |
N | Â | Â | 0.90 |
N0 | 171 (53) | 108 (63) | Â |
N1-2 | 152 (47) | 97 (64) | Â |
M | Â | Â | 0.07 |
M0 | 281 (85) | 173 (61) | Â |
M1 | 48 (15) | 36 (75) | Â |
Tumor differentiation | Â | Â | 0.63 |
Well/Moderate | 279 (92) | 181 (64) | Â |
Poor | 25 (8) | 15 (60) | Â |
Lymphovascular invasion | Â | Â | 0.18 |
Absent | 276 (84) | 179 (64) | Â |
Present | 51 (16) | 28 (59) | Â |