Table 4.

Result of the ix included studies in children

Ref.	Postoperative day (d)		Complications		OR time (min)		Wound infection		Doses of narcotics
	SILS-A	C-LA	SILS-A	C-LA	SILS-A	C-LA	SILS-A	C-LA	SILS-A	C-LA
Perez et al[33]			1	0	46.8 ± 3.7	34.8 ± 2.5
Chandler et al[34]	1.1 ± 0.4	1.2 ± 0.5	5	0	33.8 ± 9	26.3 ± 7.5	4	0	0.9 ± 0.9	1.4 ± 1.3
Mayer et al[35]	3.63 ± 1.2	3.68 ± 1.3	2	3	68.5 ± 19.9	66.2 ± 19.5			4.75 ± 3.3	7.33 ± 3.0
St Peter et al[36]	0.95 ± 0.3	0.93 ± 0.3	6	3	35.2 ± 14.5	29.8 ± 11.6	6	3	9.6 ± 4.9	8.5 ± 4.3
Knott et al[37]	0.92 ± 0.2	0.94 ± 0.3	2	3	34.0 ± 13.6	29.6 ± 13.6	2	3	5.7 ± 3.5	5.3 ± 3.2
Kang et al[38]	4.0 ± 1.5	3.8 ± 2.0	2	2	46.2 ± 18.5	40.5 ± 15.2	2	1

OR time: Operation time; SILS-A: Single-incision laparoscopic surgery for appendectomy; C-LA: Conventional laparoscopic appendectomy.