Table 1 Categorization of total scores of the Downs and Black Checklist [12]
Quality index | Percentage | Methodological quality score (n = 27) |
|---|---|---|
Strong | ≥ 75% | ≥ 21 |
Moderate | 50–74% | 14–20 |
Limited | 25–49% | 7–13 |
Poor | < 25% | < 7 |
Quality index | Percentage | Methodological quality score (n = 27) |
|---|---|---|
Strong | ≥ 75% | ≥ 21 |
Moderate | 50–74% | 14–20 |
Limited | 25–49% | 7–13 |
Poor | < 25% | < 7 |