Table 2.
Quality Index assessment scores (*Studies investigated the effect of low back pain were rated using a 10 point scale).
| Authors (year) | 1 | 2 | 3 | 4a | 4b | 6 | 7 | 10 | 12 | 16 | 18 | Score (/10* or /11) | Score (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Akbari et al., 2015 | 0 | 1 | 1 | 1 | n/a | 1 | 1 | 1 | 0 | 1 | 0 | 7* | 70 |
| Bazrgari et al., 2011 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 9 | 81.8 |
| Dupeyron et al., 2010 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 8 | 72.7 |
| Gao et al., 2014 | 1 | 0 | 1 | 1 | n/a | 1 | 1 | 1 | 1 | 1 | 1 | 9* | 90 |
| Granata et al., 2001 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 6 | 54.6 |
| Granata et al., 2005 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 9 | 81.8 |
| Granata et al., 2004 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 6 | 54.6 |
| Grondin and Potvin, 2009 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 8 | 72.7 |
| Hendershot et al., 2011 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 10 | 90.9 |
| Herrmann et al., 2006 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 8 | 72.7 |
| Jacobs et al., 2011 | 1 | 1 | 1 | 1 | n/a | 1 | 1 | 1 | 1 | 1 | 1 | 10* | 100 |
| Jones et al., 2012a | 1 | 1 | 1 | 1 | n/a | 1 | 1 | 0 | 1 | 1 | 0 | 8* | 80 |
| Jones et al., 2012b | 1 | 1 | 1 | 1 | n/a | 1 | 1 | 1 | 1 | 1 | 1 | 10* | 100 |
| Lariviere et al., 2010 | 1 | 1 | 1 | 1 | n/a | 1 | 1 | 1 | 0 | 1 | 1 | 9* | 90 |
| Liebetrau et al., 2013 | 0 | 1 | 0 | 1 | n/a | 1 | 1 | 0 | 0 | 1 | 1 | 6* | 60 |
| MacDonald et al., 2010 | 1 | 1 | 1 | 1 | n/a | 1 | 1 | 1 | 0 | 1 | 1 | 9* | 90 |
| Mawston et al., 2007 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 9 | 81.8 |
| Muslim et al., 2013 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 10 | 90.9 |
| Newcomer et al., 2002 | 1 | 1 | 1 | 1 | n/a | 1 | 1 | 1 | 0 | 1 | 1 | 9* | 90 |
| Olson, 2014 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 9 | 81.8 |
| Radebold et al., 2000 | 1 | 1 | 0 | 1 | n/a | 1 | 1 | 0 | 0 | 1 | 0 | 6* | 60 |
| Radebold et al., 2001 | 1 | 1 | 1 | 1 | n/a | 1 | 1 | 0 | 0 | 1 | 0 | 7* | 70 |
| Ramprasad et al., 2010 | 1 | 0 | 0 | 1 | n/a | 0 | 1 | 0 | 1 | 1 | 0 | 5* | 50 |
| Reeves et al., 2005 | 0 | 1 | 1 | 1 | n/a | 1 | 1 | 1 | 0 | 1 | 1 | 8* | 80 |
| Rogers and Granata, 2006 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 9 | 81.8 |
| Sanchez-Zuriaga et al., 2010 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 9 | 81.8 |
| Shenoy et al., 2013 | 1 | 0 | 0 | 1 | n/a | 0 | 1 | 0 | 0 | 0 | 0 | 3* | 30 |
| Stokes et al., 2006 | 1 | 1 | 0 | 1 | n/a | 1 | 1 | 0 | 1 | 1 | 0 | 7* | 70 |
| Toosizadeh et al., 2013 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 10 | 90.9 |