Finding treatment-resistant depression in real-world data: How a data-driven approach compares with expert-based heuristics.
M Soledad CepedaJenna RepsDaniel FifeClair BlacketerPaul StangPatrick RyanPublished in: Depression and anxiety (2017)
The definition that best discriminates between subjects with and without TRD considers number of distinct antidepressants (≥3) or antipsychotics (≥1) in the last year.