Table 2 Pathological findings and short-term outcomes in the LAC-E and OC-E groups
Factors | LAC-E group | OC-E group | P-value |
|---|---|---|---|
(n = 85) | (n = 25) | ||
Pathological findings | |||
Tumor location | |||
Right colon | 38 (44%) | 9 (36%) | NS |
Left colon | 15 (18%) | 6 (24%) | |
Rectum | 32 (38%) | 10 (40%) | |
Tumor differentiation | |||
Well/moderately | 75 (88%) | 21 (84%) | NS |
Poorly/mucinous | 10 (12%) | 4 (16%) | |
Tumor size (mm, mean ± SD) | 47 ± 21 | 67 ± 29 | NS |
pT stage | |||
T0-T1 | 13 (15%) | 1 (4%) | NS |
T2-T4 | 72 (85%) | 24 (96%) | |
pN stage | |||
N0 | 50 (59%) | 16 (64%) | NS |
N1-N2 | 35 (41%) | 9 (36%) | |
TNM Stage | |||
0-II | 47 (55%) | 16 (64%) | NS |
III-IV | 38 (45%) | 9 (36%) | |
Short-term outcomes | |||
Operative time (min, mean ± SD) | 249 ± 87 | 223 ± 111 | NS |
Blood loss (g, mean ± SD) | 97 ± 124 | 440 ± 740 | < .01 |
Intraoperative complication | 0 | 0 | NS |
Days to solid diet (days, mean ± SD) | 4.1 ± 2 | 4.6 ± 2 | NS |
Length of hospital stay (days, mean ± SD) | 23 ± 39 | 35 ± 37 | NS |
Postoperative complication | |||
Mortality | 0 | 0 | NS |
Overall morbidity (CD grade 2 or more) | 12 (14%) | 8 (32%) | < .05 |
Anastomotic leakage | 0 | 0 | NS |
Bowel obstruction | 5 (6%) | 3 (12%) | NS |
Enterocolitis | 3 (4%) | 1 (4%) | NS |
Intraabdominal abscess | 2 (2%) | 1 (4%) | NS |
Bleeding | 0 | 0 | NS |
Pneumonia | 0 | 1 (4%) | NS |
Others | 2 (2%) | 2 (8%) | NS |