Table 1 Study quality of included trials according to a modified PEDro scale
Criterion | Watson et al. 2006 [35] | Colberg et al. 2008 [36] | Devore et al. 2009 [37] | Baker et al. 2010 [38] | Yanagawa et al. 2011 [39] | Lehtisalo et al. 2016 [40] | |
|---|---|---|---|---|---|---|---|
Study Design | RCT | CS | CS | LS | RCT | NRCT | RCT |
Eligibility Criteria | Y | Y | Y | Y | Y | Y | Y |
Random allocation | Y | N/A | N/A | N/A | Y | N | Y |
Concealed allocation | N | N/A | N/A | N/A | N | N | N |
Group baseline similarity | Y | N | N | N | Y | Y | Y |
Blinding of subjects | N | N/A | N/A | N/A | N | N | N |
Blinding of therapists | N | N/A | N/A | N/A | Y | N | N |
Blinding of assessors | N | N/A | N/A | N/A | N | N | N |
Measures of one key outcome in at least 85% of participants | Y | Y | Y | Y | Y | Y | Y |
At least one key outcomes analyzed with ‘intention to treat’ | N | N | N | N | Y | N | N |
Point measures, and measures of variability for at least one key outcome | Y | Y | Y | Y | Y | Y | Y |
Between group statistical comparisons reported for at least one key outcome | Y | Y | Y | Y | Y | Y | Y |
Full supervision of exercise intervention | Y | N | N | N | Y | Y | Y |
Final score (/ 12) | 7 | 4 | 4 | 4 | 9 | 6 | 7 |