Table 4 The assessment of blinding success and sensation. tRNS, transcranial random noise stimulation.
Sham (n = 20) | tRNS (n = 20) | Statistics | p-value | |
|---|---|---|---|---|
n (%) | n (%) | |||
Blinding | ||||
Felt stimulated | 8 (40.00) | 7 (35.00) | χ² =0.18 | 0.744 |
Felt non-stimulated | 8 (40.00) | 9 (45.00) | ||
Unkown | 4 (20.00) | 4 (20.00) | ||
Sensation questionnaire | ||||
Pinching | 3 (15.00) | 1 (5.00) | χ² = 1.11 | 0.292 |
Pain | 1 (5.00) | 2 (10.00) | χ² = 0.36 | 0.547 |
Burning | 0 | 0 | NA | NA |
Warmth/Heat | 1 (5.00) | 2 (10.00) | χ² = 0.36 | 0.547 |
Metallic | 0 | 1 (5.00) | χ² = 1.03 | 0.311 |
Fatigue | 3 (15.00) | 2 (10.00) | χ² = 0.23 | 0.633 |