Table 4 Quality assessment for randomized controlled trials included in this review
Study | Domain | Overall risk of bias | ||||
|---|---|---|---|---|---|---|
1. Randomization process | 2. Deviation from intended interventions | 3. Missing outcome data | 4. Measurement of outcome | 5.Selection of the reported results | ||
Bastani 2015 | Some concernsa,b | Low risk | Low risk | High risk | Low risk | High risk |
Braschi 2014 | Some concernsb,c | Low risk | Low risk | Low risk | Low risk | Some concerns |
Jandorf 2008 | Some concernsa,b | Some concerns | Low risk | Low risk | Low risk | Some concerns |
Jimenez-Fuentes MA 2013 | High risk | High risk | Some concerns | Some concerns | Some concerns | High risk |
Mishra, 2007 | High risk | High risk | Low risk | High risk | Low risk | High risk |
Nguyen, 2009 | Some concernsa,b | Some concerns | Low risk | High risk | Low risk | High risk |
Raberg Kjollesdal MK 2011 | Low risk | Some concerns | Some concerns | Low risk | Low risk | High risk |
Taylor VM 2011 | Some concernsa,b | Some concerns | Low risk | High risk | Low risk | High risk |