| Table 1. Assessment of RCTs - Version 2 of the Cochrane risk-of-bias tool for randomized trials (RoB 2). | |||||||
| Reference | Domain 1 | Domain 2 | Domain 3 | Domain 4 | Domain 5 | Overall Risk | Comments |
|---|---|---|---|---|---|---|---|
| Kleijkers et al. 2016 | |||||||
| Zhang et al. 2016 | |||||||
| Ceschin et al. 2016 | |||||||
| Hassani et al. 2013 | |||||||
| Hambiliki et al. 2011 | No true randomization (alternate allocation) | ||||||
Domain 1: Risk of bias arising from the randomization process
Domain 2: Risk of bias due to deviations from the intended interventions (effect of assignment to intervention)
Domain 3: Missing outcome data
Domain 4: Risk of bias in measurement of the outcome
Domain 5: Risk of bias in selection of the reported result
Risk of bias: green=low risk, yellow=some concerns, red=high risk