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Reference | Randomization | Allocation concealment | Blinding | Incomplete data | Selective report | Other bias |
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Wang et al. [24] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Jiang et al. [25] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | High risk 10 participants dropout | Low risk All outcomes reported | Unclear risk |
Wu et al. [26] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Wei et al. [27] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Xia et al. [28] | Low risk Randomized by random number table | Low risk Automated assignment system | Low risk Participants and outcome assessors blinded | High risk 14 participants dropout | Low risk All outcomes reported | Unclear risk |
Zeng et al. [29] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Chang et al. [30] | Low risk Randomized by random number table. | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Chen et al. [31] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | High risk 3 participants dropout | Low risk All outcomes reported | Unclear risk |
Feng et al. [32] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Guo et al. [33] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
He et al. [34] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Li et al. [35] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Li et al. [36] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Li and Gu [37] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Liu et al. [38] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Qiao et al. [39] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Wang et al. [40] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | High risk 8 participants dropout | Low risk All outcomes reported | Unclear risk |
Wang [41] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Xu [42] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Yang et al. [43] | Low risk. Randomized by random number table. | Unclear risk. Allocation schedule was not mentioned. | Unclear risk. Blinding unclear. | Low risk. None lost to follow-up | Low risk. All outcomes reported | Unclear risk |
Yu et al. [44] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Zhu [45] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Zhou et al. [46] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Zhou et al. [47] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Zhi et al. [48] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Zhang and Li [49] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Zhang et al. [50] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Zhang et al. [51] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Zhang and Yin [52] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Zhang et al. [53] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Yin et al. [54] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Gao et al. [55] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned. | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Dong [56] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Deng et al. [57] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
Zhu et al. [58] | Low risk Randomized by random number table | Unclear risk Allocation schedule was not mentioned. | Unclear risk Blinding unclear | Low risk None lost to follow-up | Low risk All outcomes reported | Unclear risk |
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