Study |
Random selection in the population |
Definition of inclusion and exclusion criteria |
Report of losses to follow-up |
Validated measurements |
Statistical analysis |
Risk of bias |
---|---|---|---|---|---|---|
Froum et al. [16] | Yes | Yes | No | Yes | No | High |
Tarnow et al. [17] | Yes | Yes | No | Yes | No | High |
Tawil et al. [24] | Yes | Yes | No | Yes | No | High |
Wallace et al. [25] | No | Yes | No | Yes | No | High |
Choi et al. [26] | Yes | Yes | Yes | Yes | Yes | Low |
Barone et al. [27] | Yes | Yes | Yes | Yes | Yes | Low |
García-Denche et al. [28] | Yes | Yes | No | Yes | Yes | Moderate |