From: 20-kHz alternating current stimulation: effects on motor and somatosensory thresholds
Intervention | 0 min | 15 min | 20 min | 30 min | Significance intragroup (a) | |
---|---|---|---|---|---|---|
Mechanical Detection Threshold | 20 kHz | 0.25 (0.25–0.25) | 0.25 (0.25–2.00) | 0.25 (0.25–0.25) | 0.25 (0.25–0.25) | χ2: 12,75; p < 0.01 |
SHAM | 0.25 (0.25–0.25) | 0.25 (0.25–0.25) | 0.25 (0.25–0.25) | 0.25 (0.25–0.25) | χ2: 0,00; p = 1.00 | |
Significance intergroup (b) | p = 1.00 | p = 0.02 | p = 0.36 | p = 1.00 | ||
Pressure Pain Threshold (c) | 20 kHz | 70.0 (4.3) | 69.8 (4.2) | 70.5 (4.9) | 68.9 (4.8) | “Time” factor: F: 0.54; p = 0.66 “Intervention” factor: F: 0.26; p = 0.62 |
SHAM | 69.0 (4.6) | 70.0 (5.2) | 67.3 (4.9) | 68.5 (5.2) |