Effectiveness of different appendiceal stump closure methods in laparoscopic appendectomy in children: A systematic review and network meta-analysis

Table 3 Quality assessment of the included studies according to the Newcastle-Ottawa Scale

Ref.	Selection (stars; max 4)	Comparability (stars; max 2)	Outcome/exposure (stars; max 3)	Total score (stars; max 9)	Quality rating
Akbiyik et al[24]	4	2	3	9	Good quality
Akkoyun and Akbiyik[25]	3		3	6	Moderate quality
Escolino et al[12]	4	2	3	9	Good quality
Juan et al[19]	2	1 star	3	6	Moderate quality
Kocaman et al[23]	3		2	5	Moderate quality
Martinez et al[14]	3		2	5	Moderate quality
Miyano et al[13]	3		3	6	Moderate quality
Miyano et al[26]	3		3	6	Moderate quality
Naiditch et al[20]	3		3	6	Moderate quality
Parikh et al[27]	3		3	6	Moderate quality
Pogorelić et al[22]	3		3	6	Moderate quality
Pogorelić et al[21]	3		3	6	Moderate quality
Safavi et al[10]	3	2	3	8	Good quality
Zeineddin et al[9]	4	2	3	9	Good quality