2.
RCT文献的质量评价
Quality assessment of RCT studies
| Included study | Randomized method | Allocation concealment | Blinding | Incompleteness of data | Selective outcome reporting | Other sources of bias |
| Wang JF 2015[16] | Yes | Unclear | Single-blinded | Yes | Unclear | Unclear |
| Tan NX 2014[13] | Yes | Unclear | Unclear | Yes | Unclear | Unclear |
| Zhang C 2013[17] | Unclear | Unclear | Unclear | Yes | Unclear | Unclear |
| Zhou WD 2013[20] | Yes | Unclear | Single-blinded | Yes | Unclear | Unclear |
| Wang JY 2011[14] | Unclear | Unclear | Unclear | No | Unclear | Unclear |
| Li LM 2013[9] | Unclear | Unclear | Unclear | Yes | Unclear | Unclear |
| Li M 2010[10] | Yes | Unclear | Unclear | Yes | Unclear | Unclear |
| Zhao GQ 2010[19] | Unclear | Unclear | Unclear | Yes | Unclear | Unclear |