Review Article
Comparison between the Effects of Acupuncture Relative to Other Controls on Irritable Bowel Syndrome: A Meta-Analysis
| | Selected literature | Random method | Allocation concealment | Patient blinding | Researcher blinding | Incomplete outcome data addressed | Selective reporting | Baseline comparability | Total risk of bias |
| | Forbes et al. [27] | Low: computer random | Low | Low: nontherapy acupoint, no arrival of qi | Low | Low | Low | Low | Low | | Schneider et al. [28] | Low: center random | Low | Low: Streitberger placebo needle | Low | Low | Low | Low | Low | | Lembo et al. [26] | Low: stratified random | Low | Low: Streitberger placebo needle | Unclear | Low | Low | Low | Low | | Sun et al. [38] | Low: random number table | Unclear | High | Unclear | Low | Low | Low | Low | | Luigi et al. [17] | Unclear | Unclear | Unclear | Unclear | Unclear | Unclear | Unclear | Unclear | | Park and Cha [18] | Low: computer random | Unclear | Unclear | Unclear | Low | Low | Low | Low | | Zhang et al. [32] | Low: computer random | Unclear | High | Unclear | Low | Low | Low | Low | | Mak et al. [29] | Low: Block random | Low | Low: non-penetrating needle with no electrical stimulation | Low | Low | Low | Low | Low | | Xue and Shao [58] | Unclear | Unclear | High | Unclear | Unclear | Low | Low | Unclear | | Mao [31] | Low: random number table | Unclear | High | Unclear | Low | Low | Low | Low | | Wan [30] | Low: random number table | Low | High | Unclear | Low | Low | Low | Low | | Qin et al. [33] | Low: random number table | Unclear | High | Unclear | Low | Low | Low | Low | | Lowe et al. [25] | Computer random | Unclear | Low: Streitberger placebo needle | Unclear | Low | Low | Low | Low | | Li et al. [52] | Low: center random | Low | High | Unclear | Low | Low | Low | Low | | Zhang et al. [50] | Low: random number table | Unclear | High | Unclear | Unclear | Low | Low | Unclear | | Xu [51] | Low: center random | Low | High | Unclear | Unclear | Low | Low | Low | | Pei et al. [47] | Low: computer random | Unclear | High | Unclear | Unclear | Low | Low | Unclear | | Liu [55] | Unclear | Unclear | High | Unclear | Unclear | High | Low | Unclear | | Li et al. [48] | Low: random number table | Unclear | High | Unclear | Low | Low | Unclear | Unclear | | Li et al. [49] | Low: computer random | Unclear | High | Unclear | Unclear | Low | Low | Low | | Zhan et al. [45] | Low: random number table | Unclear | High | Unclear | Low | Low | Low | Low | | Song [46] | Low: computer random | Unclear | High | Unclear | Low | Low | Low | Low | | Dou [43] | Unclear | Unclear | High | Unclear | Unclear | Low | Low | Unclear | | Wu [44] | Low: random number table | Unclear | High | Unclear | Low | Low | Low | Low | | Lu et al. [61] | Low: random number table | Unclear | High | Unclear | Low | Low | Low | Low | | Pei et al. [39] | Low: random number table | Unclear | High | Unclear | Low | Low | Unclear | Unclear | | Li et al. [40] | Low: random number table | Unclear | High | Unclear | Unclear | Low | Low | Unclear | | Wen [54] | Low: random number table | Unclear | High | Unclear | Low | Low | Low | Low | | Hu [57] | Unclear | Low | High | Unclear | Unclear | Low | Low | Unclear | | Li [41] | Unclear | Unclear | High | Unclear | Low | Low | Low | Unclear | | Chen et al. [42] | Low: random number table | Unclear | High | Unclear | Low | Low | Unclear | Unclear | | Yin [62] | Low: random number table | Unclear | High | Unclear | Low | Low | Low | Low | | Qian and Meng [16] | Low: computer random | Low | Unclear | Unclear | Low | Low | Low | Low | | Shi et al. [35] | Unclear | Unclear | High | Unclear | Unclear | Low | Low | Unclear | | Han [36] | Low: computer random | Unclear | High | Unclear | Unclear | Low | Low | Unclear | | Wang et al. [37] | Low: random number table | Unclear | High | Low | Low | Low | Low | Low | | Zhang et al. [34] | Unclear | Unclear | High | Unclear | Unclear | Low | Low | Unclear | | Yu et al. [56] | Unclear | Unclear | High | Unclear | Unclear | Low | Unclear | Unclear | | Long et al. [53] | Unclear | Unclear | High | Unclear | Low | Low | Unclear | Unclear | | Huang et al. [60] | Low: random number table | Unclear | High | Unclear | Unclear | Low | Unclear | Unclear | | Zhao et al. [59] | Unclear | Unclear | High | Unclear | Unclear | Low | Unclear | Unclear |
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aBaseline symptom scoring comparison.
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