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. 2021 Dec 8;15:753995. doi: 10.3389/fnint.2021.753995

TABLE 8.

Effect of treatment on depressive symptoms, quality of life, and anxiety.

Mean (DP)
Delta % (D-A) p value
Day 1 (A) Day 15 (B) Day 30 (C) Day 60 (D) Follow up (E)
tDCSa n = 13 n = 11 n = 12 n = 9 n = 10
tDCSs n = 13 n = 9 n = 11 n = 10 n = 8
BDI-II
tDCSa 28.5 ± 5.5 23.0 ± 10.6 18.5 ± 9.9 16.0 ± 8.1 17.0 ± 8.8 −43.93%
tDCSs 27.3 ± 7.2 19.8 ± 7.4 13.9 ± 9.3 15.1 ± 11.4 19.3 ± 8.2 −44.67%
Intervention effect 0.42
Time < 0.001
Interaction time*Intervention 0.93
QOLIE-31
tDCSa 47.7 ± 13.0 58.1 ± 17.1 59.8 ± 17.7 62.8 ± 20.9 25.51%
tDCSs 50.5 ± 13.5 58.4 ± 16.5 61.1 ± 11.8 59.6 ± 13.0 20.91%
Intervention effect 0.9
Time 0.003
Interaction time*Intervention 0.92
HAM-A
tDCSa 23.3 ± 8.3 21.2 ± 8.3 20.8 ± 10.2 −10.07%
tDCSs 22.9 ± 4.2 23.8 ± 7.5 17.7 ± 6.1 −22.42%
Intervention effect 0.86
Time 0.05
Interaction time*Intervention 0.09

Data were analyzed through Generalized Estimating Equations with a dependent variable (BDI-II, QOLIE-31, or HAM-A score), within-subject variable (time) and variable between subjects (active × Sham tDCS). Bonferroni was the post hoc analysis.