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Pain intensity data stratified by level of depression.
| tDCS/AE group | AE group | tDCS group | |||||||
|---|---|---|---|---|---|---|---|---|---|
| BDI | VNS | %* | BDI | VNS | %* | BDI | VNS | %* | |
| No depression or mild depression | 11.8 | 6.0 | 26 | 9.1 | 6.3 | 31 | 11.5 | 6.3 | 22 |
| Moderate to severe depression | 25.7 | 7.9 | 37 | 29.3 | 7.2 | 24 | 29.9 | 7.4 | 20 |
Percentage of improvement from the mean values. BDI, Beck depression inventory. VNS, Visual numeric scale.
