Some studies of 2 weeks duration measured outcomes at both 1 and 2 weeks.

^†HDRS represents Hamilton Depression Rating Scale; BDI, Beck Depression Inventory; ECT, electroconvulsive therapy, rTMS, repetitive transcranial magnetic stimulation.

^*Used with permission from the Royal College of Psychiatrists; Martin JL, Barbanoj MJ, Schlaepfer TE, Thompson E, Perez V. Repetitive transcranial magnetic stimulation for the treatment of depression: systematic review and meta-analysis. Br J Psychiatry 2003; 182:480-491 (3)