Table 2.
Risk of bias within studies - Crossover trials
| Crossover trials | |||||||
|---|---|---|---|---|---|---|---|
|
| |||||||
| Trials | Bias arising from randomization process | Bias arising from period and carryover effects | Bias due to deviations from intended interventions | Bias due to missing outcome | Bias in the measurement of the outcome | Bias in selection of the reported result | Overall risk of bias judgement |
| Caglar etal., 2009[25] | Some concerns | Some concerns | Low risk of bias | Low risk of bias | Some concerns | Low risk of bias | High risk of bias |
| Singh etal., 2011[27] | Low risk of bias | Some concerns | Low risk of bias | Low risk of bias | Some concerns | Low risk of bias | Some concerns |
| Caglar etal., 2005[28] | Some concerns | Some concerns | Low risk of bias | Low risk of bias | Some concerns | Low risk of bias | High risk of bias |
| Pinto etal., 2014[31] | Low risk of bias | Low risk of bias | Low risk of bias | Low risk of bias | Some concerns | Low risk of bias | Some concerns |
| Caglar etal., 2014[32] | Some concerns | Some concerns | Some concerns | Low risk of bias | Some concerns | Low risk of bias | High risk of bias |
| Cildir etal., 2009[34] | Some concerns | Some concerns | Low risk of bias | Low risk of bias | Some concerns | Low risk of bias | High risk of bias |