Publications & Research

PET index predicts likelihood of dementia within 3 years

Researchers from the University of California, Los Angeles (UCLA) developed the Dementia Prognosis Index (DPI) software as a way of quantifying information derived from PET scans and improving the modality’s ability to predict whether a patient will develop Alzheimer’s disease.

Study results showed that the PET-derived DPI scores provided more conclusive information for half of the participants in a group whose initial PET scans were indeterminate. Among those whose prognostic status changed, 77% were deemed likely to develop dementia. Conversely, among those whose scans remained indeterminate, only 21% progressed to dementia three years later.

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