A register-based approach to identifying treatment-resistant depression-Comparison with clinical definitions.
David HäggPhilip BrennerJohan ReutforsGang LiAllitia DiBernardoRobert BodénLena BrandtPublished in: PloS one (2020)
This study provides insight into the differing characteristics of patients captured by various TRD models when used for register research. Models yielding lower proportions of TRD seemed to identify patients with greater morbidity. The KIM may be useful for register based research in TRD.