Safety and efficacy of single-incision laparoscopic surgery for appendectomies: A meta-analysis

Table 1 Main characteristics of the 10 included studies in adults

Ref.	Year	SILS-A (n)	C-LA (n)	Age (yr)		M:F
				SILS-A	C-LA	SILS-A	C-LA
Lee et al[27]	2009	72	108	30.3 ± 16.4	33.6 ± 18.6	24:46	56:52
Cho et al[28]	2011	23	20	44.7	39.2	14:9	11:9
Teoh et al[29]	2011	30	60	32.97 ± 13.31	34.88 ± 11.45	19:11	38:22
Park et al[30]	2012	42	62	23.9 ± 11.9	29.9 ± 12.2	14:28	42:21
Kim et al[31]	2011	17	33	21.0	28.0	1:10	21:12
Vilallonga et al[32]	2012	46	41	34.2 (13.3)	37.7 (13.2)	19:27	22:19
Raakow et al[39]	2011	20	20	27.75 ± 8.26	31.75 ± 9.30	8:12	10:10
Amos et al[40]	2011	27	17	37.74 ± 18.85	33.71 ± 12.50	6:21	6:11
Chow et al[41]	2010	40	33	31.65 ± 15.36	29.85 ± 14.93	18:22	15:18
Kang et al[42]	2010	15	25	35.5 ± 13.2	37.9 ± 14.5	8:07	14:11

SILS-A: Single-incision laparoscopic surgery for appendectomy; C-LA: Conventional laparoscopic appendectomy; M: Male; F: Female.