Table 4.

Qualitative methodological appraisal of eligible meta-analyses using AMSTAR tool

References	Checklist																Total
	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16
Chen et al. [35]	1	0.5	1	0.5	1	1	0	0.5	0	1	0	0	0	1	1	1	9.5
Jiang et al. [30]	1	0.5	1	0.5	1	1	0	0.5	0	0	0	0	0	1	1	1	8.5
Peng et al. [31]	1	0.5	1	0.5	1	1	0	0.5	0	1	0	0	0	1	1	1	9.5
Song et al., [32]	1	0.5	1	0	0	0	0	0.5	0	1	0	0	0	1	1	1	7
Hong et al. [33]	1	0.5	1	0.5	1	1	0	0.5	0	1	0	0	0	1	1	1	9.5
Zhou et al. [36]	1	0.5	1	0	1	1	0	0.5	0	1	0	0	0	1	1	1	9
Shang et al. [34]	1	0.5	1	0.5	1	1	0	0.5	0	0	0	0	0	1	1	0	7.5
Gong et al. [37]	1	0.5	1	0.5	1	1	0	0.5	0	0	0	0	0	1	1	1	8.5

Abbreviations: 0, No; 1, Yes; 1.5, Partial Yes; AMSTAR, A Measurement Tool to Assess Systematic Reviews