Table 2.
Effect of PBM on a-Wave Amplitude Analyzed 1 Week Post-PBM
| Treatment Group | Baseline a-Wave Amplitude (µV) | Post-PBM a-Wave Amplitude (µV) | Difference a-Wave Amplitude (µV) | P |
|---|---|---|---|---|
| Control | 200.0 ± 45.9 | 225.0 ± 28.0 | 25.0 ± 23.4 | 0.42 |
| Sham | 225.0 ± 21.1 | 203.6 ± 11.8 | −21.4 ± 23.4 | 0.43 |
| 25 mW/cm2 | 137.5 ± 23.9 | 156.3 ± 21.3 | 18.8 ± 31.3 | 0.59 |
| 100 mW/cm2 | 196.4 ± 20.7 | 203.6 ± 15.8 | 7.1 ± 26.6 | 0.81 |
| 500 mW/cm2 | 230.0 ± 24.1 | 207.5 ± 12.9 | –22.5 ± 15.1 | 0.17 |
Data are expressed as mean ± SEM, where n = 6 (control), n = 7 (sham), n = 4 (25 mW/cm2), n = 7 (100 mW/cm2), and n = 10 (500 mW/cm2).