Supplement Table 2.
Methodological quality of 20 studies included.
| Study | Adequate method to generate randomized sequence | Adequate method of allocation concealment | Blinding of outcome assessors | Loss of participant follow-up (%) | All patients treated in assigned group | Jadad Score |
|---|---|---|---|---|---|---|
| Ang et al., 2008 | N | N | Y | 3.3 | Y | 3 |
| Assmus et al., 2006 | N | N | Y | 12 | Y | 3 |
| Chen et al., 2006 | N | N | N | 13.3 | Y | 1 |
| Bartunek et al., 2013 | Y | Y | Y | 0 | Y | 7 |
| Hendrikx et al., 2006 | Y | Y | Y | 13 | Y | 6 |
| Heldman et al., 2013 | Y | Y | Y | 4.6 | Y | 6 |
| Lu et al., 2013 | N | N | Y | 16.7 | Y | 3 |
| Maureira et al., 2012 | Y | Y | N | 0 | Y | 5 |
| Nasseri et al., 2014 | Y | Y | Y | 10 | Y | 6 |
| Patel et al., 2005 | Y | Y | Y | 0 | Y | 7 |
| Pätilä et al., 2014 | Y | Y | Y | 0 | Y | 7 |
| Perin et al., 2011 | Y | Y | Y | 0 | Y | 7 |
| Perin et al., 2012a | Y | Y | Y | 4.7 | Y | 6 |
| Perin et al., 2012b | Y | Y | Y | 0 | Y | 6 |
| Pokushalov et al., 2010 | Y | Y | Y | 24.8 | Y | 6 |
| Stamm et al., 2007 | N | N | Y | 7 | Y | 3 |
| Tse et al., 2007 | Y | Y | Y | 3.6 | Y | 6 |
| van Ramshorst et al., 2009 | Y | Y | Y | 2 | Y | 6 |
| Yao et al., 2008 | N | N | Y | 0 | Y | 3 |
| Zhao et al., 2008 | Y | Y | Y | 5.6 | Y | 6 |