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| Meta-analyses | Systematic Reviews | Narrative Reviews | |
|---|---|---|---|
| Strong | 0 (0%) | 1 (8.3%) | 8 (33.3%) |
| Moderate | 7 (50%) | 8 (66.7%) | 11 (45.8%) |
| Weak | 7 (50%) | 3 (25%) | 2 (8.3%) |
| None | 0 (0%) | 0 (0%) | 3 (12.5%) |
Percentages are shown in parentheses.
