Characteristics of the sham arm of RCTs on non-pharmacological interventions
| Study | Sham intervention | Sample size | Sex ratio (♂:♀) | Age (mean±SD) | Age at onset (mean±SD) | Classification MD | Frequency attacks (per year) | Duration attacks (hours) | Additional treatment | Period of treatment (months, mean±SD) | Adverse events (%) | Complications |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Author et al year | ||||||||||||