[Retracted] Synchronous Colorectal Liver Metastases considering Infectious Complications: Simultaneous or Delayed Surgery?

Table 3

Comparison of postoperative characteristics.

Characteristics		Simultaneous group n = 88	Delayed group n = 25	value
Management	Time of preventive antibiotic use (POD)	4.76 ± 3.56	4.96 ± 2.68	0.797
	Time of abdominal drainage (POD)	4.55 ± 3.67	5.56 ± 7.67	0.356
	Postoperative hospital stay (POD)	14.07 ± 18.00	9.32 ± 7.44	0.053
	Postoperative chemotherapy	88/0	25/0	NA
Pathology	Tumor invasion (1–3/4)	24/64	3/22	0.114
	Lymph node (P/N)	59/29	20/5	0.213
	Vascular cancer thrombus (Y/N)	23/65	7/18	0.852
	Nerve invasion (Y/N)	18/70	9/16	0.108
CRS	1/2 VS. 3/4/5	13/33 VS. 39/3/0	2/13 VS. 10/0/0	0.455

POD, postoperation day; P/N, positive/negative; CRS, Clinical Risk Score.