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| Meta-analyses | Systematic Reviews | Narrative Reviews | |
|---|---|---|---|
| Strong | 1 (7.1%) | 2 (16.7%) | 14 (58.3%) |
| Moderate | 1 (7.1%) | 4 (33.3%) | 2 (8.3%) |
| Weak | 0 (0%) | 0 (0%) | 0 (0%) |
| None | 12 (85.7%) | 6 (50%) | 8 (33.3%) |
26 out of 50 studies reported no recommendations in the discussion. Percentages are shown in parentheses.
