Table 1.
Demographic and clinical characteristics
| Active DLPFC tDCS | Active occipital tDCS | Sham tDCS | p valueb | |
|---|---|---|---|---|
| n | 21 | 9 | 10 | |
| Age [yr (s.d.)] | 51.6 (7.7) | 46.3 (5.8) | 46.5 (7.1) | 0.25 |
| Gender (F/M) | 14/7 | 6/3 | 7/3 | 0.98 |
| Duration of disease [yr (s.d.)] | 7.1 (6.2) | 8.3 (7.6) | 6.4 (7.4) | 0.88 |
| Refractorinessa (s.d.) | 1.6 (1.2) | 1.7 (1.2) | 1.5 (1.5) | 0.89 |
| Baseline HDRS (s.d.) | 21.1 (4.4) | 21.6 (4.9) | 21.9 (4.8) | 0.89 |
tDCS, Transcranial direct current stimulation; DLPFC, dorsolateral prefrontal cortex; HDRS, Hamilton Depression Rating Scale; s.d., standard deviation.
a
As indexed by the number of failed antidepressants.
b
p value: one-way ANOVA for continuous variables and Fisher’s exact test for categorical variables.