Table 2.

Assessment of methodological quality for the included studies.

Included study	Randomization method	Allocation concealment	Blinding		Completeness of outcome data	Selective reporting bias	Other bias	Quality rating
			Participants	Assessors
Wang et al. (42)	HR	HR	UR	UR	LR	UR	LR	B
Meng et al. (43)	LR	LR	UR	UR	UR	HR	LR	B
Carcelén-Fraile et al. (44)	LR	LR	LR	UR	LR	LR	LR	A
Peng et al. (45)	LR	LR	UR	UR	UR	UR	UR	B
Huang et al. (46)	LR	UR	HR	HR	UR	UR	LR	B
Xu et al., 2022 (47)	HR	HR	HR	HR	LR	UR	LR	B
Chen et al., 2022 (48)	LR	UR	HR	HR	UR	UR	UR	B
Wu et al. (49)	HR	HR	UR	UR	UR	UR	UR	B
Huang et al., 2023 (50)	LR	LR	LR	LR	LR	LR	LR	A
Guo et al. (51)	LR	UR	LR	LR	LR	LR	UR	A
Zhu et al. (52)	HR	UR	UR	HR	UR	UR	UR	B

High Risk, HR; Low Risk, LR; Unclear Risk, UR.