Table 3 Univariable meta-regression
| Â | Response rate | Remission rate | ||||
|---|---|---|---|---|---|---|
| Â | Coef (B) | 95% CI | p | Coef (B) | 95% CI | p |
Clinical characteristics | ||||||
 Publication year | − 0.12 | − 0.18 to 0.16 | 0.873 | − 0.05 | − 0.29 to 0.18 | 0.629 |
 Baseline score a | − 0.06 | − 0.18 to 0.05 | 0.232 | − 0.07 | − 0.20 to 0.7 | 0.279 |
 Treatment strategy | ||||||
  Monotherapy | − 1.09 | − 2.31 to 0.13 | 0.075 | − 0.58 | − 2.66 to 1.49 | 0.536 |
  tDCS +medication | 0.95 | − 0.08 to 1.99 | 0.068 | 0.49 | − 1.04 to 2.01 | 0.489 |
  tDCS +psychotherapy | − 0.799 | − 2.07 to 0.47 | 0.189 | − 0.44 | − 2.43 to 1.55 | 0.624 |
Demographics | ||||||
 Sample size | − 0.01 | − 0.04 to 0.01 | 0.304 | − 0.02 | − 0.06 to 0.02 | 0.258 |
 Age | − 0.04 | − 0.12 to 0.05 | 0.359 | − 0.05 | − 0.17 to 0.08 | 0.422 |
 Female rate | 2.69 | − 0.82 to 6.19 | 0.119 | 1.99 | − 3.18 to 7.16 | 0.407 |
Montage parameters | ||||||
 Size of electrode | − 0.06 | − 0.14 to 0.02 | 0.114 | − 0.01 | − 0.11 to 0.10 | 0.912 |
 Current intensity | − 0.73 | − 1.48 to 0.02 | 0.057 | − 0.74 | − 1.68 to 0.21 | 0.111 |
 Stimulation duration | − 0.19 | − 0.14 to 0.1 | 0.723 | − 0.07 | − 0.23 to 0.09 | 0.335 |
 Number of sessions | − 0.11 | − 0.24 to 0.02 | 0.090 | − 0.21 | − 0.42 to 0.01 | 0.060 |
 Total charge b | − 0.03 | − 0.07 to 0.00 | 0.080 | − 0.06 | − 0.12 to − 0.00 | 0.040 |