Table 4. Comparison of the postoperative outcomes and complications between the groups C and D.

	Group C (n=1,453)	Group D (n=283)	p-value
Antibiotic therapy (days)	3.17	4.77	<0.001*
Onset of oral intake (days)	1.39	1.99	<0.001*
Analgesic therapy (days)	2.39	3.73	<0.001*
Length of stay (days)	4.59	6.94	<0.001*
Intra-abdominal abscess	87 (6%)	36 (12.7%)	<0.001*
Wound infection	25 (1.7%)	7 (2.5%)	0.389
Bowel obstruction	19 (1.3%)	7 (2.8)	0.139

*Statistically significant.