Single-incision laparoscopic surgery for colorectal cancer

Table 1 Patient demographics

Year	First author	Number of patients		Age (yr)		Gender				Body mass index (kg/m2)		Operative procedure
		SILC	CLC	SILC	CLC	SILC		CLC		SILC	CLC	SILC		CLC
						Male	Female	Male	Female			Right	Left	Right	Left
2011	Kim SJ	73	106	65	63	-	-	-	-	22.7	25.6	20	26	28	67
2011	McNally ME	27	46	67	73	13	21	13	21	27	26	14	8	35	8
2011	Papaconstantinou HT	26	26	65	66	11	11	11	11	28	28	19	4	19	4
2012	Curro G	10	10	60	59	4	3	4	3	25	26	10	0	10	0
2012	Egi H	10	10	68.5	68	4	4	4	4	22.5	21.9	10	0	10	0
2012	Fujii S	23	23	63.9	65.2	10	13	10	13	21.6	22.9	9	14	9	14
2012	Huscher CG	16	16	70	70	-	-	-	-	-	-	8	8	6	10
2012	Lu CC	27	68	60.26	64.29	16	36	16	36	-	-	8	18	16	45
2012	Poon JT	25	25	67	67	14	18	14	18	23.3	23.6	8	17	9	16
2013	Kwag SJ	24	48	59.5	59	9	18	9	18	24.4	24	0	24	0	48
2013	Mynster T	18	36	70	73	8	16	8	16	24	24	7	11	14	22
2013	Pedraza R	50	50	64.6	66.3	25	27	25	27	27.2	31	33	14	33	14
2013	Yun JA	66	93	61	59	33	55	33	55	23.82	24.23	66	0	93	0
2014	Takemasa I	150	150	64.3	65.5	75	71	75	71	21.7	22.4	69	81	69	81
2014	Lim SW	44	263	63.9	63.8	28	170	28	170	23.7	23.8	11	15	15	82
	Total	589	970	-	-	250	463	250	463	-	-	292	240	366	411

SILC: Single-incision laparoscopic colectomy; CLC: Conventional laparoscopic colectomy.

Table 2 Postoperative mortality, morbidity, conversion rate and additional port insertion rate n (%)

First author	Mortality		Morbidity		Conversion to open procedure		Additional port insertion
	SILC	CLC	SILC	CLC	SILC	CLC	SILC
Kim SJ	0	1 (1.37)	23 (31.5)	39 (36.8)	1 (1.36)	3 (2.83)	-
McNally ME	0	0	5 (18.5)	16 (34.8)	0	6 (13.0)	5 (18.5)
Papaconstantinou HT	-	-	-	-	0	1 (7.7)	3 (11.5)
Curro G	0	0	2 (20.0)	1 (10)	0	0	-
Egi H	0	0	0	0	0	1 (10)	-
Fujii S	0	0	3 (13.0)	5 (21.7)	0	1 (4.35)	-
Huscher CG	0	0	3 (18.8)	5 (31.3)	0	0	1 (6.3)
Lu CC	0	0	2 (7.4)	3 (4.41)	-	-	-
Poon JT	0	0	4 (16.0)	3 (12)	0	0	-
Kwag SJ	0	0	2 (8.33)	4 (8.33)	0	0	7 (29.2)
Mynster T	0	0	3 (16.7)	6 (16.7)	1 (5.56)	4 (11.1)	3 (16.7)
Pedraza R	-	-	7 (14.0)	4 (8)	0	1 (4)	5 (27.8)
Yun JA	0	0	6 (9.09)	14 (15.1)	1 (1.52)	5 (5.37)	-
Takemasa I	0	0	18 (12.0)	25 (16.7)	2 (1.33)	5 (3.33)	12 (8.0)
Lim SW	0	0	7 (15.9)	46 (17.5)	0	0	10 (22.7)
Total	0	1 (0.11)	85 (15.1)	171 (18.1)	5 (0.89)	27 (2.99)	46 (13.0)

SILC: Single-incision laparoscopic colectomy; CLC: Conventional laparoscopic colectomy.

Table 3 Other short-term clinical outcomes

First author	Operative time (min)		Estimated blood loss (mL)		Length of hospital stay (d)
	SILC	CLC	SILC	CLC	SILC	CLC
Kim SJ	274	254	282	418	9.6	15.5
McNally ME	114	135	50	50	3	5
Papaconstantinou HT	144	144	57	87	3.6	5
Curro G	170	160	35	50	6	6
Egi H	192	222	48	51.5	8	10.5
Fujii S	174	179	9	109	8.2	12.7
Huscher CG	147	129	200	-	6	7
Lu CC	180	184	35	50	7	7
Poon JT	155	124	50	80	4	5
Kwag SJ	251	237	135	144	7.1	8.1
Mynster T	167	189	0	38	3	3
Pedraza R	127.9	126.7	64.4	87.2	4.5	4
Yun JA	155	174	-	-	8	9
Takemasa I	172	173	32	37	8.2	8.7
Lim SW	185	139.2	82.3	70.1	8.2	8.8

SILC: Single-incision laparoscopic colectomy; CLC: Conventional laparoscopic colectomy.

Table 4 Oncological outcomes

First author	Harvested LN		Proximal resection margin (cm)		Distal resection margin (cm)
	SILC	CLC	SILC	CLC	SILC	CLC
Kim SJ	29.3	23.2	33.4	17.9	17.2	13
McNally ME	15	17	-	-	-	-
Papaconstantinou HT	18	17	9.3	9.3	10.5	9.3
Curro G	25	24	-	-	-	-
Egi H	15	16.5	-	-	-	-
Fujii S	19.9	23.3	8.8	8.5	9.5	7.6
Huscher CG	18	16	-	-	8	6
Lu CC	-	-	-	-	7	6
Poon JT	16	20	8	8	5.5	6
Kwag SJ	19.6	20.8	11.2	11.4	7.5	9.2
Mynster T	17	20	-	-	-	-
Pedraza R	21.4	19.2	-	-	-	-
Yun JA	24	27	14.4	15	16.6	15.8
Takemasa I	22.2	22.4	-	-	-	-
Lim SW	23.2	27.4	10.5	11.2	6.6	5.5

SILC: Single-incision laparoscopic colectomy; CLC: Conventional laparoscopic colectomy.