Author publication year | Bias due to confounding | Bias in the selection of participants into the study | Bias in the classification of interventions | Bias due to deviations from intended interventions | Bias due to missing data | Bias in measurement of outcomes | Bias in the selection of the reported result | Overall risk of bias |
---|---|---|---|---|---|---|---|---|
Bilimoria et al. (2009) [31] |
|
|
|
|
|
|
| Moderate risk of bias |
Degnim et al. (2010) [32] |
|
|
|
|
|
|
| Serious risk of bias |
Yi et al. (2010) [34] |
|
|
|
|
|
|
| Serious risk of bias |
Gillanders et al. (2012) [35] |
|
|
|
|
|
|
| Serious risk of bias |
Park et al. (2014) [37] |
|
|
|
|
|
|
| Moderate risk of bias |
Snow et al. (2015) [38] |
|
|
|
|
|
|
| Serious risk of bias |
Tvedskov et al. (2015) [39] |
|
|
|
|
|
|
| Serious risk of bias |
Houvenaeghel et al. (2016) [40] |
|
|
|
|
|
|
| Moderate risk of bias |
Youssef et al. (2016) [41] |
|
|
|
|
|
|
| Serious risk of bias |
Lee et al. (2018) [44] |
|
|
|
|
|
|
| Serious risk of bias |
Liu et al. (2018) [45] |
|
|
|
|
|
|
| Moderate risk of bias |
Arisio et al. (2019) [46] |
|
|
|
|
|
|
| Serious risk of bias |
Jung et al. (2019) [47] |
|
|
|
|
|
|
| Moderate risk of bias |
Kim et al. (2019) [48] |
|
|
|
|
|
|
| Serious risk of bias |
Jung et al. (2020) [49] |
|
|
|
|
|
|
| Moderate risk of bias |
Kim et al. (2020) [50] |
|
|
|
|
|
|
| Moderate risk of bias |
Sun et al. (2021) [51] |
|
|
|
|
|
|
| Serious risk of bias |
Sanvido et al. (2021) [52] |
|
|
|
|
|
|
| Serious risk of bias |
Gao et al. (2022) [54] |
|
|
|
|
|
|
| Moderate risk of bias |
Houvenaeghel et al. (2022) [55] |
|
|
|
|
|
|
| Moderate risk of bias |
Zhou et al. (2022) [57] |
|
|
|
|
|
|
| Moderate risk of bias |