Figure 2.

Montgomery Åsberg Depression Rating Scale (MADRS) scores at baseline and after completed treatment in hospitalized patient with major depressive disorder (MDD) randomized to electroconvulsive therapy or multiple infusions with racemic ketamine. Patients were administered between 1 and 12 treatment sessions on a per-need basis. Boxes enclose mean scores ± 1 SD. Midlines indicate median values. Vertical lines indicate 10th to 90th percentiles. Circles indicate individual MADRS scores for participants in the electroconvulsive therapy (ECT) (black) and ketamine (red) treatment groups, respectively. AE, adverse event.