Single-incision versus standard multi-incision laparoscopic colectomy in patients with malignant or benign colonic disease: a systematic review, meta-analysis and assessment of the evidence

Table 3 Baseline characteristics of studies included in the meta-analysis

Author, year (country)	No. of patients	Age in years	Gender (M/F)	BMI in kg/m²	ASA (1, 2, 3)	Type of colectomy (left/right)	Cancer stage (1, 2, 3)
Huscher et al. [26], 2012 (Italy)	32	70 ± 11	15 / 17	not reported	8 (25 %),	SILC: 8/8	SILC:	MLC:
	(16 vs. 16)	(mean ± SEM)			15 (47 %),	MLC: 10/6	5 (31 %),	4 (25 %),
					9 (28 %)		7 (44 %),	9 (56 %),
							4 (25 %)	3 (19 %)
Poon et al. [16], 2012 (China)	50	SILC: 67 (37-83)^a	SILC: 14 / 11	SILC: 23.2 (16.9-28.8)^a	6 (12 %),	SILC: 17^b/8	SILC:	MLC:
	(25 vs. 25)	MLC: 67 (57-81)^a	MLC: 18 / 7	MLC: 23.6 (16.5-28.2)^a	37 (74 %),	MLC: 16^b/9	8 (32 %),	5 (20 %),
					7 (14 %)		7 (28 %),	4 (16 %),
							6 (24 %)	12 (48 %)

M Male, F Female, BMI body mass index, ASA American Society of Anaesthesiologists, SILC Single-incision laparoscopic colectomy, MLC multi-incision laparoscopic colectomy
^aData are given as median with range ^bincluding anterior resection and sigmoidectomy

ISSN: 1471-2482