Fig. 3From: Antidepressant efficacy of low-frequency repetitive transcranial magnetic stimulation in antidepressant-nonresponding bipolar depression: a single-blind randomized sham-controlled trialVariables interacting with MADRS improvements in per-protocol analysis. MADRS Montgomery–Åsberg Depression Rating Scale. Onset * group interaction: β = − 0.66 95% CI (− 1.28–0.04), p = 0.04Back to article page