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Trial 2 mean perceptual threshold, stimulation current, and pain ratings.
| Tragus (Active) |
Earlobe (Control) | Significant? (p value) | |
|---|---|---|---|
| PT ± SD (mA) | 1.045 ± 0.48 | 1.02 ± 0.41 | N |
| Stim Current ± SD (mA) | 2.09 ± 0.97 | 2.04 ± 0.82 | |
| Mean 500 μs 10 Hz NRS Pain Rating ± SD | 1.35 ± 0.68 | 2.24 ± 1.28 | Y (P = 0.009) |
| Mean 500 μs 25 Hz NRS Pain Rating ± SD | 1.32 ± 0.57 | 2.10 ± 1.17 | Y (P = 0.01) |
