Table 1.

Percentage of Use of Various TRD Treatment Approaches

TRD Treatment Approaches	Mean Use % (SD)
Monotherapy (antidepressant)	28.7% (29.9)
Polytherapy	71.3% (29.9)
Antidepressant and antipsychotics	31.7% (22.9)
Two antidepressants	22.8% (19.0)
Antidepressant and anticonvulsant	4.3% (0.9)
Antidepressant and mood stabilizer	4.2% (0.7)
Antidepressant and electroconvulsive therapy (ECT)	3.4% (0.7)
Othersa	4.9% (0.8)

Note: ^aOthers comprise thyroid hormones, Traditional Chinese Medicine, psychotherapy, transcranial magnetic stimulation (TMS).

Abbreviation: SD, standard deviation.