The MacCAT-T: a clinical tool to assess patients' capacities to make treatment decisions

摘要: Objective The feasibility, reliability, and validity of a new instrument, the MacArthur Competence Assessment Tool-Treatment (MacCAT-T), which was developed for use by clinicians, tested. instrument assesses patients' competence to make treatment decisions examining their capacities in four areas--understanding information relevant condition recommended treatment, reasoning about potential risks benefits choices, appreciating nature situation consequences expressing choice. Method MacCAT-T instruments measure symptom severity were administered 40 patients recently hospitalized with schizophrenia or schizoaffective disorder matched subjects community without mental illness. Results A high degree ease interrater reliability found MacCAT-T. Overall, performed significantly more poorly than on understanding reasoning, although many as well subjects. Poor performance related higher levels some psychiatric symptoms, such conceptual disorganization, hallucinations, disorientation. Conclusions offers flexible yet structured method caregivers can assess, rate, report abilities evaluating consent treatment.