Illness progression in older-age bipolar disorder: Exploring the applicability, dispersion, concordance, and associated clinical markers of two staging models for bipolar disorder in an older population.
Afra van der MarktAlexandra J M BeundersNicole C M KortenSigfried N T M SchouwsAartjan T F BeekmanRalph W KupkaUrsula KlumpersAnnemieke DolsPublished in: International journal of geriatric psychiatry (2022)
Assigning stages to OABD subjects was possible for both models, with age-related adjustments for model B. Model B as currently operationalized may be less suitable for OABD or may measure different aspects of illness progression, reflected by its low correspondence with model A and lack of associated clinical markers.