TABLE 2.
Results of the percentage of nonoverlapping data (PND) index for the pain intensity and pain improvement AVAS values regarding the anodal and sham overall data of each patient.
| AVAS | PND index | BL value | Outcomes U/O BL | Mean | Median | Standard deviation | Minimum | Maximum |
|---|---|---|---|---|---|---|---|---|
| Pain intensity P1 | ||||||||
| Anodal tDCS | 1 | 8 | 9 | 1.44 | 1.0 | 1.59 | 0.0 | 5.0 |
| Sham tDCS | 1 | 8 | 9 | 4.22 | 5.0 | 1.72 | 2.0 | 6.0 |
| Pain improvement P1 | ||||||||
| Anodal tDCS | 1 | 0 | 9 | 8.00 | 8.0 | 2.40 | 2.0 | 10.0 |
| Sham tDCS | 0.22 | 0 | 2 | 1.22 | 0.0 | 2.54 | 0.0 | 7.0 |
| Pain intensity P2 | ||||||||
| Anodal tDCS | 1 | 10 | 9 | 4.44 | 4.0 | 2.01 | 1.0 | 7.0 |
| Sham tDCS | 0.33 | 7 | 3 | 7.44 | 7.0 | 1.59 | 5.0 | 9.0 |
| Pain improvement P2 | ||||||||
| Anodal tDCS | 1 | 0 | 9 | 5.78 | 6.0 | 1.99 | 3.0 | 9.0 |
| Sham tDCS | 0.22 | 0 | 2 | 0.89 | 0.0 | 2.03 | 0.0 | 9.0 |
| Pain intensity P3 | ||||||||
| Anodal tDCS | 0.89 | 2 | 8 | 0.56 | 0.0 | 0.73 | 0.0 | 2.0 |
| Sham tDCS | 1 | 2 | 9 | 0.0 | 0.0 | 0.00 | 0.0 | 0.0 |
| Pain improvement P3 | ||||||||
| Anodal tDCS | 0.89 | 0 | 8 | 3.22 | 3.0 | 2.22 | 0.0 | 7.0 |
| Sham tDCS | 0.55 | 0 | 5 | 1.89 | 1.0 | 3.30 | 0.0 | 10.0 |
BL, baseline value; P1-3, patient 1–3; U/O, outcomes under (for pain intensity) or over (for pain improvement) the baseline values.