Table 3

Indices of treatment resistance (n=20)

Index of treatment resistance
No of failed antidepressant treatments in presenting MDE*8.1±2.8
No of failed antidepressant treatments from different classes*4.0 (3–6)
No of courses of ECT (presenting MDE)3.5 (0–10)
No of courses of ECT (lifetime)4.0 (2–10)
TR-S score5.0 (3–5)
MGH-S score13.1±2.2
  • Values are mean±SD or median (range).

  • * Includes ECT; measured using the antidepressant treatment history form.26

  • ECT, electroconvulsive therapy; MDE, major depressive episode; MGH-S, Massachusetts' General Hospital Scoring Method; TR-S, Thase and Rush Treatment Resistant Depression Staging.