Study | Random allocation | Concealed allocation | Baseline comparability | Blinding of subjects | Blinding of Therapists | Blinding of assessor | Adequate follow-up | Intention to treat analysis | Between-group comparison | Point estimates and variability | Total score | Quality index |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chung et al. (2019) | Yes | No | No | No | No | No | Yes | No | Yes | Yes | 4/10 | Moderate |
Oliveira et al. (2019) | Yes | No | No | No | No | No | No | No | Yes | Yes | 3/10 | Low |
Dianastinab et al. (2018) | Yes | No | Yes | No | No | No | No | No | Yes | Yes | 4/10 | Moderate |
McDemortt et al. (2016) | Yes | No | Yes | No | No | No | Yes | No | Yes | Yes | 5/10 | Moderate |
Aweto et al. (2016) | Yes | No | Yes | No | No | No | No | No | Yes | Yes | 4/10 | Moderate |
Jaggers et al. (2015) | Yes | No | Yes | No | No | No | No | No | Yes | Yes | 4/10 | Moderate |
Roos et al. (2014) | Yes | Yes | Yes | No | No | Yes | No | Yes | Yes | Yes | 7/10 | High |
Ogalha et al. (2011) | Yes | No | Yes | No | No | No | Yes | No | Yes | Yes | 5/10 | Moderate |
Maharaj et al. (2011) | Yes | No | Yes | No | No | Yes | No | Yes | Yes | Yes | 6/10 | High |
Tiozzo (2011) | Yes | No | Yes | No | No | No | No | No | Yes | Yes | 4/10 | Moderate |
Mutimura et al. (2008) | Yes | No | Yes | No | No | No | Yes | No | Yes | Yes | 5/10 | Moderate |
Baigis et al. (2002) | Yes | Yes | Yes | No | No | No | No | Yes | No | Yes | 5/10 | Moderate |
Nedig et al. (2003) | Yes | No | Yes | No | No | No | No | No | Yes | Yes | 4/10 | Moderate |