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Table 2 Association between selected clinicopathological parameters and endoscopic obstruction

From: Endoscopic obstruction is associated with higher risk of acute events requiring emergency operation in colorectal cancer patients

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