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Mean effects of matched sessions with long versus short tRNS (10 minutes versus 30 seconds) for patient 4
| n | Mean improvement | SD | Mean VAS improvement by next day | SD | |
|---|---|---|---|---|---|
| tRNS 10 min | 11 | 2.21 | 1.9 | 1.28 | 1.5 |
| tRNS 0.5 min | 8 | 1.49 | 0.4 | 1.16 | 1.7 |
Abbreviations: SD, standard deviation; tRNS, transcranial random noise stimulation; VAS, visual analog scale.
