TABLE 5.

Summary of tDCS study characteristics

Study	Study design	Stimulus dose administration	Number of sessions	Frequency of treatment	Analysis	Primary Outcome	Results/Authors' conclusions	Evidence (PEDro)
Brunoni, Júnior, et al. (2013) and Brunoni, Valiengo, et al. (2013)	RCT	0.8 A/m2 (2 mA/25 cm2) per 30 min/d	10 sessions	1 session/d	Baseline, 6th w	MADRS	tDCS (alone and combined with sertraline) improved suicidal thoughts.	Level 1a

Abbreviations: MADRS, Montgomery–Asberg Depression Rating Scale; RCT, randomized controlled trial; tDCS, transcranial direct current stimulation.