Review Article

The Effectiveness of Acupuncture for Dysphagia after Stroke: A Systematic Review and Meta-Analysis

Table 2

The risk of bias assessment.

ReferenceRandomizationAllocation concealmentBlindingIncomplete dataSelective reportOther bias

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