Table 3.

PRISMA Statement Score Results for Inclusion.

Article structure	PRISMA entry	Full report		Selected reports		Not reported
		Number of literature	Percentage (100%)	Number of literature	Percentage (100%)	Number of literature	Percentage (100%)
Title	Title	7	100	0	0	0	0
Abstract	Structured summary	0	0	7	100	0	0
Preface	Theoretical foundation	7	100	0	0	0	0
	Purpose	1	14	6	86	0	0
Methods	Programs and registration	0	0	0	0	7	100
	Inclusion criteria	0	0	7	100	0	0
	Information source	7	100	0	0	0	0
	Search	1	14	6	86	0	0
	Study selection	7	100	0	0	0	0
	Data extraction method	5	71	0	0	2	29
	Data entry	0	0	7	100	0	0
	Bias in individual studies	7	100	0	0	0	0
	Summary effect indicators	7	100	0	0	0	0
	Result synthesis	4	57	3	43	0	0
	Study bias	4	57	0	0	3	43
	Other analysis	4	57	0	0	3	43
Results	Study selection	4	57	0	0	3	43
	Research characteristics	7	100	0	0	0	0
	Risk of study bias for inclusion	5	71	0	0	2	29
	Individual study results	7	100	0	0	0	0
	Consolidated results	7	100	0	0	0	0
	Inter-study bias	5	71	0	0	2	29
	Other analysis	4	57	0	0	3	43
Discussion	Summary of strength of evidence	1	14	6	86	0	0
	Limitations	4	57	3	43	0	0
	Conclusion	7	100	0	0	0	0
Funding	Financial support	0	0	0	0	7	100