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Shows the number of participants of each group that reported sensations during the stimulation.
| Sensation | Anode group (n = 20) |
Sham group (n = 20) |
|---|---|---|
| Number of | Number of | |
| participants | participants | |
| Itch | 16 | 16 |
| Heat | 1 | 1 |
| No sensation | 3 | 3 |
Itch, Mild itching at the beginning of the stimulation (˜1 min); Heat, Heat feeling in the electrode placement.
