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.

ReferencesABCDEFGH

Du et al. [20]+????+??
Du et al. [21]?????+??
Guo and Li [22]?????+??
Huang [23]āˆ’????+??
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]?????+??

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; āˆ’: high risk; ?: unclear.