Table 6
Postoperative complications in subgroups

OC* group (n=30) LC group (n=30) HALC group (n=30) P value (P<0.05)
Complication 7 (23.3%) 3 (10.0%) 4(5)§ (13.3%) 0.439
Anastomotic site leakage 2 0 0
Colitis 0 1 0
Delirium 1 0 0
Pleural effusion 0 0 (1)§
Pneumonia 0 0 1
Pulmonary edema 1 0 0
Postoperative obstruction 1 0 1
Postoperative bleeding 0 0 1
Small bowel perforation 0 1 0
Myocardiac infarct 1 0 0
Wound dehiscence 1 0 1
Wound seroma 0 1 0
OC, open colectomy; LC, laparoscopic colectomy; HALC, hand-assisted laparoscopic colectomy; §Pleural effusion, combined with pneumonia in one person.