Table 1 Comparison of blinding, discomfort, and fixation rate across the three conditions.
tRNS (n = 29) | tDCS (n = 29) | Sham (n = 29) | p-value | Statistics | |
|---|---|---|---|---|---|
Blinding | 0.149 | χ2=3.81 | |||
Felt stimulated n (%) | 15 (51.7%) | 22 (75.9%) | 16 (58.6%) | ||
Felt non-stimulated n (%) | 14 (48.3%) | 7 (24.1%) | 13 (41.4%) | ||
Discomfort Median (IQR) | |||||
Tingling pain | 1.0 (0.0–1.0) | 1.0 (1.0–2.0) | 1.0 (0.0–1.0) | 0.155 | χ2=9.27 |
Pain | 0.0 (0.0–0.0) | 0.0 (0.0–0.5) | 0.0 (0.0–0.0) | 0.317 | χ2=4.72 |
Fatigue | 1.0 (0.0–1.0) | 0.0 (0.0–1.0) | 0.0 (0.0–1.0) | 0.629 | χ2=4.36 |
Warmth/Heat | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.901 | χ2=0.21 |
Burning | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.37 | χ2=4.28 |
Itching | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.27 | χ2=5.17 |
Smell of metal | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.36 | χ2=2.02 |
Target gazing rate (%)* | 96.50% | 96.30% | 95.60% | 0.115 | F = 2.26 |
