Bias Category | Individual Study | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Sanders 2010 | Grudzen 2010 | Temel 2010 | Glare 2011. | Glare, 2013 | Hui 2014 | Bakitas 2015 | Rocque 2015 | Hui 2016 | Adelson 2017 | Molin, 2019 | Brinkman- Stoppe lenburg 2019 | Hui 2020 | Caraceni 2020 | Gemmel 2020 | Hansen 2020 |
Study Design | M | M | L | M | M | L | L | M | L | M | M | M | H | M | M | M |
Selection of non-exposed cohort | M | H | L | M | L | L | L | M | L | H | L | M | M | M | M | M |
Bias due to confounding | H | H | L | M | M | L | L | M | L | H | M | M | M | M | M | M |
Bias in classification of intervention | M | M | L | L | L | L | L | M | L | M | L | L | M | M | M | M |
Bias due to deviations from intended intervention | L | M | L | M | M | M | M | H | NA | M | M | M | M | L | L | NS |
Bias due to missing data | M | M | M | M | NS | M | M | M | L | M | NS | NS | NS | M | NS | NS |
Bias in measurement of outcomes | M | H | M | M | M | L | L | M | NA | M | L | M | L | M | M | M |
Bias in selection of the reported result | M | M | L | L | L | L | L | M | L | M | M | L | L | M | M | M |