Research Article
Banxia Baizhu Tianma Decoction for Essential Hypertension: A Systematic Review of Randomized Controlled Trials
Table 3
Quality assessment of included randomized controlled trials.
| Included trials | Random sequence generation | Allocation concealment | Blinding of participants and personnel | Blinding of outcome assessment | Incomplete outcome data | Selective reporting | Other sources of bias | Risk of bias |
| Zheng, 2011 [40] | Table of random number | Unclear | Unclear | Unclear | No | No | Unclear | Unclear | Xiong, 2010 [41] | Unclear | Unclear | Unclear | Unclear | Yes | No | Unclear | High | Chen et al., 2005 [42] | Unclear | Unclear | Unclear | Unclear | Yes | No | Unclear | High | Wang, 2001 [43] | Unclear | Unclear | Unclear | Unclear | Yes | No | Unclear | High | Che et al., 2011 [44] | Table of random number | Unclear | Unclear | Unclear | No | No | Unclear | Unclear | Jin, 2011 [45] | Unclear | Unclear | Unclear | Unclear | No | No | Unclear | High | Chen, 2007 [46] | Table of random number | Unclear | Unclear | Unclear | Yes | No | Unclear | Unclear | Guo, 2009 [47] | Unclear | Unclear | Unclear | Unclear | Yes | No | Unclear | High | Li, 2011 [48] | Drawing | Unclear | Unclear | Unclear | Yes | No | Unclear | Unclear | Guo et al., 2006 [49] | Unclear | Unclear | Unclear | Unclear | Yes | No | Unclear | High | Zhou, 2008 [50] | Unclear | Unclear | Unclear | Unclear | No | No | Unclear | High | Wu et al., 2007 [51] | Unclear | Unclear | Unclear | Unclear | Yes | No | Unclear | High | Lei and Lin, 2009 [52] | Unclear | Unclear | Unclear | Unclear | Yes | No | Unclear | High | Liu et al., 2007 [53] | Unclear | Unclear | Unclear | Unclear | Yes | No | Unclear | High | Zhang, 2002 [54] | Table of random number | Unclear | Unclear | Unclear | Yes | No | Unclear | High | Wang, 2005 [55] | Unclear | Unclear | Unclear | Unclear | Yes | No | Unclear | High |
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