Domain | Potential bias | Studies |
---|---|---|
1. Study participation |
Yes Partly No Unsure |
Ford et al., Bae et al. Ye et al. Chen et al., Xie et al., Johnstone et al., Ryan et al., Gouliouris et al., Kramer et al. None |
2. Study attrition |
Yes Partly No Unsure |
None Chen et al. Ford et al., Xie et al., Ye et al., Johnstone et al., Ryan et al., Gouliouris et al., Kramer et al., Bae et al. None |
3. Prognostic factor measurement |
Yes Partly No Unsure |
None None Chen et al., Ford et al., Xie et al., Ye et al., Johnstone et al., Ryan et al., Gouliouris et al., Kramer et al., Bae et al. None |
4. Outcome measurement |
Yes Partly No Unsure |
None None Chen et al., Ford et al., Xie et al., Ye et al., Johnstone et al., Ryan et al., Gouliouris et al., Kramer et al., Bae et al. None |
5. Confounding measurement and account |
Yes Partly No Unsure |
Ford et al., Bae et al. Ye et al. Chen et al., Xie et al., Johnstone et al., Ryan et al., Gouliouris et al., Kramer et al. None |
6. Analysis |
Yes Partly No Unsure |
None None Chen et al., Ford et al., Xie et al., Ye et al., Johnstone et al., Ryan et al., Gouliouris et al., Kramer et al., Bae et al. None |