Table 2.
Correlations between visual analog scale pain scores and alpha-2 power at the 19 electroencephalography scalp locations in the patients with fibromyalgia.
| EEG channel | Pearson correlation coefficient | p-value∗ |
|---|---|---|
| Fp1 | -0.057 | 0.762 |
| Fp2 | 0.123 | 0.509 |
| F3 | -0.081 | 0.665 |
| F4 | 0.039 | 0.846 |
| F7 | -0.187 | 0.322 |
| F8 | -0.066 | 0.735 |
| Fz | 0.218 | 0.247 |
| C3 | -0.117 | 0.547 |
| C4 | -0.269 | 0.193 |
| Cz | -0.463 | 0.015∗ |
| T3 | -0.228 | 0.225 |
| T4 | -0.008 | 0.968 |
| T5 | 0.059 | 0.770 |
| T6 | -0.008 | 0.968 |
| P3 | 0.029 | 0.884 |
| P4 | -0.422 | 0.040∗ |
| Pz | -0.445 | 0.034∗ |
| O1 | -0.214 | 0.284 |
| O2 | -0.328 | 0.102 |
∗Significant (p<0.05), as determined by Pearson's correlation coefficient analysis
EEG, electroencephalography.