Evidence-Based Complementary and Alternative Medicine / 2017 / Article / Tab 2

Review Article

The Immediate Analgesic Effect of Acupuncture for Pain: A Systematic Review and Meta-Analysis

Table 2

Risk of bias summary.

Study, yearSequence
generation
Allocation concealmentParticipants and assessor blindingTreatment provider blindingIncomplete outcome data addressedFree of selective reportingothers

Chen and Li [30]
(2012)
LowUnclearHighHighLowLowLow
Inoue et al. [31]
(2006)
LowLowLowHighLowLowLow
Inoue et al. [32]
(2009)
LowUnclearHighHighLowLowLow
Liu et al. [33]
(2014)
LowLowLowHighLowLowLow
Lu et al. [34]
(2010)
UnclearUnclearLowHighLowLowLow
Mejuto-Vázquez et al. [35]
(2014)
LowLowHighHighLowLowLow
Maeda et al. [36]
(2013)
UnclearUnclearUnclearHighLowLowHigh
Nabeta and Kawakita [37]
(2002)
LowUnclearLowHighLowLowLow
Shin et al. [38]
(2013)
LowLowHighHighLowLowLow
Stival et al. [39]
(2014)
LowUnclearLowHighLowLowLow
Su et al. [40]
(2010)
LowLowLowHighLowLowLow
Yang et al. [41]
(2012)
LowLowLowHighLowLowLow
Zhang et al. [42]
(2015)
LowLowLowHighLowLowLow

Lu et al. 2010 and Maeda et al. 2013 RCT claimed to have randomly assigned participants but did not describe the methods in detail; Chen and Li 2012, Inoue et al. 2009, Maeda et al. 2013, Lu et al. 2010, Nabeta and Kawakita 2002, and Stival et al. 2014 did not mention allocation concealment; Chen and Li 2012, Inoue et al. 2009, and Shin et al. 2013 compared acupuncture versus analgesia injection, and the participants, who were also the outcome assessors, could not be blinded; Mejuto-Vázquez et al. 2014 compared acupuncture versus no treatment, and the participants, who were also the outcome assessors, could not be blinded; Maeda et al. 2013 RCT used nonpenetrating sham acupuncture as control but did not evaluate the credibility of the sham; for Maeda et al. 2013 RCT, the baseline was not comparable in the two groups.

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