Study ID | Selection | Comparability | Outcomes | NOS score |
|---|
Dijos et al [16] | ** | – | ** | 4 |
Bouleti et al [17] | ** | * | ** | 5 |
Gajanana et al [18] | *** | ** | *** | 8 |
Agrawal et al [10] | *** | ** | *** | 8 |
- (*) Asterisks denote the quality of each domain; NOS- Newcastle-Ottawa Scale. Numbers of stars in good quality: 3 or 4 in selection, 1 or 2 in comparability, and 2 or 3 in outcomes. Numbers of stars in fair quality: 2 in selection, 1 or 2 in comparability, and 2 or 3 in outcomes. Numbers of stars in poor quality: 0 or 1 in selection, 0 in comparability, and 0 or 1 in outcomes
