Table 4 Overview of risk-of-bias assessments of all included studies and total score
Author/year | Risk-of-bias selection | Risk-of-bias comparability | Risk-of-bias exposure/outcome | Total score 0–6 points | |||
|---|---|---|---|---|---|---|---|
Item 1 | Item 2 | Item 3 | Item 4 | Item 5 | Item 6 | ||
Sahli et al. 2013 [42] | 1 | 1 | 1 | 0 | 1 | 1 | 5 |
Park et al. 2013 [43] | 0 | 1 | 0 | 0 | 1 | 1 | 3 |
De Santiago et al. 2013 [44] | 0 | 0 | 0 | 0 | 1 | 1 | 2 |
Stylianides et al. 2013 [45] | 0 | 1 | 0 | 0 | 1 | 1 | 3 |
Gruber et al. 2011 [46] | 0 | 1 | 1 | 0 | 1 | 1 | 3 |
Dalleau et al. 2011 [47] | 0 | 1 | 1 | 0 | 1 | 1 | 4 |
Valles et al. 2009 [48] | 0 | 1 | 0 | 0 | 1 | 0 | 2 |
Beaulieu et al. 2009 [49] | 1 | 1 | 1 | 0 | 1 | 1 | 5 |
Zabjek et al. 2008 [50] | 0 | 0 | 0 | 0 | 1 | 1 | 2 |
Dalleau et al. 2007 [51] | 0 | 1 | 0 | 0 | 1 | 1 | 3 |
Simoneau, et al. 2006 [52] | 0 | 1 | 0 | 0 | 1 | 1 | 3 |
Chow et al. 2006 [53] | 1 | 1 | 0 | 0 | 1 | 1 | 4 |
Simoneau et al. 2006 [54] | 0 | 0 | 0 | 0 | 1 | 1 | 2 |
Allard et al. 2004 [55] | 1 | 1 | 0 | 0 | 1 | 1 | 4 |
Silferi et al. 2004 [56] | 0 | 0 | 0 | 0 | 1 | 1 | 2 |
Nault et al. 2002 [57] | 0 | 0 | 0 | 0 | 1 | 1 | 2 |
Chen et al. 1998 [58] | 0 | 1 | 0 | 0 | 1 | 1 | 3 |
Sahlstrand et al. 1978 [59] | 1 | 1 | 0 | 0 | 1 | 1 | 4 |