Review Article
Liuwei Dihuang Pills Enhance the Effect of Western Medicine in Treating Diabetic Nephropathy: A Meta-Analysis of Randomized Controlled Trials
Table 2
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 |
| Cao (2013) [18] | Unclear | Unclear | Unclear | Unclear | No | No | Unclear |
| Lou (2014) [32] | Table of random numbers | Unclear | Unclear | Unclear | No | No | Unclear |
| Li and Zhao (2011) [26] | Unclear | Unclear | Unclear | Unclear | No | No | Unclear |
| He et al. (2009) [20] | Unclear | Unclear | Unclear | Unclear | No | No | Unclear |
| Song et al. (2004) [28] | Table of random numbers | Unclear | Unclear | Unclear | No | No | Unclear |
| Chen and Ling (2004) [15] | Unclear | Unclear | Unclear | Unclear | No | No | Unclear |
| Liu (2012) [21] | Unclear | Unclear | Unclear | Unclear | No | No | Unclear |
| Kong and Zeng (2014) [17] | Order of hospital registration | Unclear | Unclear | Unclear | No | No | Unclear |
| Chen et al. (2009) [23] | Order of hospital registration | Unclear | Single blinding | Unclear | No | No | Unclear |
| Wang (2015) [24] | Drawing lots | Unclear | Unclear | Unclear | No | No | Unclear |
| Wang et al. (2013) [16] | Coin tossing | Unclear | Unclear | Unclear | No | No | Unclear |
| Yin et al. (2010) [29] | Unclear | Unclear | Unclear | Unclear | No | No | Unclear |
| Li (2013) [22] | Table of random numbers | Unclear | Unclear | Unclear | No | No | Unclear |
| Zhong et al. (2010) [30] | Table of random numbers | Unclear | Unclear | Unclear | No | No | Unclear |
| Zhao (2010) [25] | Unclear | Unclear | Unclear | Unclear | No | No | Unclear |
| Ma (2015) [31] | Unclear | Unclear | Unclear | Unclear | No | No | Unclear |
| Deng et al. (2006) [19] | Unclear | Unclear | Unclear | Unclear | No | No | Unclear |
| Lv and Wang (2006) [27] | Unclear | Unclear | Unclear | Unclear | No | No | Unclear |
|
|