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Compare the procedure groups used for this indication, ranked by evidence grade. Each grade comes from an expert read of the actual studies (design, quality, on-topic relevance); direction reflects what those studies conclude.
| Grade | Direction | Procedure group | RCT & meta | Clinical & observational | Case reports | Total papers |
|---|---|---|---|---|---|---|
| A | Supported | Botulinum toxin a | 28 | 7 | 9 | 94 |
| F | Insufficient | EMFACE HIFES RF | 0 | 0 | 0 | 0 |