Incidence of surgical site infection in minimally invasive colorectal surgery

Table 1 Clinical characteristics, n (%)

	LACS (n = 112)	RACS (n = 134)	P value
Age (yr)	64 (56, 70)	66 (58, 72)	0.105
Sex			0.590
Male	78 (69.6)	89 (66.4)
Female	34 (30.4)	45 (33.6)
BMI			0.334
< 24	76 (67.9)	83 (61.9)
≥ 24	36 (32.1)	51 (38.1)
Lesion site			0.925
Colon	57 (50.9)	69 (51.5)
Rectum	55 (49.1)	65 (48.5)
ASA			0.188
Ⅰ–Ⅱ	98 (87.5)	109 (81.3)
Ⅲ–Ⅳ	14 (12.5)	25 (18.7)
Hypertension			0.407
No	71 (63.4)	78 (558.2)
Yes	41 (36.6)	56 (41.8)
Diabetes mellitus			0.415
No	100 (89.3)	115 (85.8)
Yes	12 (10.7)	19 (14.2)
Hyperlipidemia			0.291
No	79 (70.5)	86 (64.2)
Yes	33 (29.5)	48 (35.8)
Smoking history			0.919
No	99 (88.4)	119 (88.8)
Yes	13 (11.6)	15 (11.2)
History of abdomen surgery			0.534
No	84 (75.0)	105 (78.4)
Yes	28 (25.0)	29 (21.6)
Previous operation except abdomen surgery			0.801
No	82 (73.2)	100 (74.6)
Yes	30 (26.8)	34 (25.4)
Tumor marker			0.730
Normal	93 (83.0	109 (81.3)
Abnormal	19 (17.0)	25 (18.7)
Liver function			0.599
Normal	107 (95.5)	126 (94.0)
Abnormal	5 (4.5)	8 (6.0)
Albumin			0.366
≥ 40	63 (56.3)	83 (61.9)
< 40	49 (43.8)	51 (38.1)
Preoperative CRP			0.687
Normal	82 (73.2)	95 (70.9)
Abnormal	30 (26.8)	39 (29.1)
Uric acid			0.109
Normal	98 (87.5)	107 (79.9)
Abnormal	14 (12.5)	27 (20.1)
Recent weight loss			0.378
No	85 (75.9)	95 (70.9)
Yes	27 (24.1)	39 (29.1)
Neoadjuvant therapy			0.054
No	101 (90.2)	129 (96.3)
Yes	11 (9.8)	5 (3.7)

ASA: American Society of Anesthesiologists; BMI: Body mass index; CRP: Creactive protein; LACS: Laparoscopic-assisted colorectal surgery; RACS: Robot-assisted colorectal surgery.