Review Article
Qiju Dihuang Decoction for Hypertension: A Systematic Review and Meta-Analysis
Table 3
Methodology quality of the 19 studies according to the Cochrane handbook.
| References | A | B | C | D | E | F | G | H |
| Du et al. [20] | + | ? | ? | ? | ? | + | ? | ? | Du et al. [21] | ? | ? | ? | ? | ? | + | ? | ? | Guo and Li [22] | ? | ? | ? | ? | ? | + | ? | ? | Huang [23] | ā | ? | ? | ? | ? | + | ? | ? | Liang [24] | ? | ? | ? | ? | ? | + | ? | ? | Li et al. [25] | ? | ? | ? | ? | ? | + | ? | ? | Liu [26] | ? | ? | ? | ? | ? | + | ? | ? | Liu et al. [27] | ? | ? | ? | ? | ? | + | ? | ? | Lu [28] | + | ? | ? | ? | ? | + | ? | ? | Luo and Luo [29] | + | ? | ? | ? | ? | + | ? | ? | Peng et al. [30] | ? | ? | ? | ? | ? | + | ? | ? | Song [31] | ? | ? | ? | ? | ? | + | ? | ? | Sun et al. [32] | + | ? | ? | ? | ? | + | ? | ? | Wang [33] | ? | ? | ? | ? | ? | + | ? | ? | Wang et al. [34] | ? | ? | ? | ? | ? | + | ? | ? | Yang and He [35] | + | ? | ? | ? | ? | + | ? | ? | Yu [36] | ? | ? | ? | ? | ? | + | ? | ? | Zhang [37] | ? | ? | ? | ? | ? | + | ? | ? | Zhu [38] | ? | ? | ? | ? | ? | + | ? | ? |
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Abbreviations. A: adequate sequence generation; B: allocation concealment; C: blinding patient; D: blinding personnel; E: blinding assessor; F: incomplete outcome data; G: selective reporting; H: other bias; +: low risk; ā: high risk; ?: unclear.
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