Table 3 Quality assessment of the nonrandomized trials using ROBINS-I
Study Domain | Oszukowska et al. 2010 | Sekulić et al. 2017 | Brownlie et al. 1979 |
|---|---|---|---|
Pre-intervention | |||
Bias due to confounding | Probably No | Probably No | No Information |
Bias in selection of participants into the study | Probably No | No | No Information |
At intervention | |||
Bias in classification of interventions | No | No | No |
Post-intervention | |||
Bias due to deviations from intended interventions | No | No | No |
Bias due to missing data | No Information | No Information | Probably Yes |
Bias in measurement of outcomes | Probably Yes | No | Probably No |
Bias in selection of the reported result | No | No | Probably Yes |
Overall risk of bias | Low risk bias | Low risk of bias | High risk of bias |