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 trialsRandom sequence generationAllocation concealmentBlinding of participants and personnelBlinding of outcome assessmentIncomplete outcome dataSelective reportingOther sources of biasRisk of bias

Zheng, 2011 [40]Table of random numberUnclearUnclearUnclearNoNoUnclearUnclear
Xiong, 2010 [41]UnclearUnclearUnclearUnclearYesNoUnclearHigh
Chen et al., 2005 [42]UnclearUnclearUnclearUnclearYesNoUnclearHigh
Wang, 2001 [43]UnclearUnclearUnclearUnclearYesNoUnclearHigh
Che et al., 2011 [44]Table of random numberUnclearUnclearUnclearNoNoUnclearUnclear
Jin, 2011 [45]UnclearUnclearUnclearUnclearNoNoUnclearHigh
Chen, 2007 [46]Table of random numberUnclearUnclearUnclearYesNoUnclearUnclear
Guo, 2009 [47]UnclearUnclearUnclearUnclearYesNoUnclearHigh
Li, 2011 [48]DrawingUnclearUnclearUnclearYesNoUnclearUnclear
Guo et al., 2006 [49]UnclearUnclearUnclearUnclearYesNoUnclearHigh
Zhou, 2008 [50]UnclearUnclearUnclearUnclearNoNoUnclearHigh
Wu et al., 2007 [51]UnclearUnclearUnclearUnclearYesNoUnclearHigh
Lei and Lin, 2009 [52]UnclearUnclearUnclearUnclearYesNoUnclearHigh
Liu et al., 2007 [53]UnclearUnclearUnclearUnclearYesNoUnclearHigh
Zhang, 2002 [54]Table of random numberUnclearUnclearUnclearYesNoUnclearHigh
Wang, 2005 [55]UnclearUnclearUnclearUnclearYesNoUnclearHigh