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Multifactorial 10-Year Prior Diagnosis Prediction Model of Dementia.


ABSTRACT: Dementia is a neurodegenerative disorder that affects the older adult population. To date, no cure or treatment to change its course is available. Since changes in the brains of affected individuals could be evidenced as early as 10 years before the onset of symptoms, prognosis research should consider this time frame. This study investigates a broad decision tree multifactorial approach for the prediction of dementia, considering 75 variables regarding demographic, social, lifestyle, medical history, biochemical tests, physical examination, psychological assessment and health instruments. Previous work on dementia prognoses with machine learning did not consider a broad range of factors in a large time frame. The proposed approach investigated predictive factors for dementia and possible prognostic subgroups. This study used data from the ongoing multipurpose Swedish National Study on Aging and Care, consisting of 726 subjects (91 presented dementia diagnosis in 10 years). The proposed approach achieved an AUC of 0.745 and Recall of 0.722 for the 10-year prognosis of dementia. Most of the variables selected by the tree are related to modifiable risk factors; physical strength was important across all ages. Also, there was a lack of variables related to health instruments routinely used for the dementia diagnosis.

SUBMITTER: Dallora AL 

PROVIDER: S-EPMC7557767 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Multifactorial 10-Year Prior Diagnosis Prediction Model of Dementia.

Dallora Ana Luiza AL   Minku Leandro L   Mendes Emilia E   Rennemark Mikael M   Anderberg Peter P   Sanmartin Berglund Johan J  

International journal of environmental research and public health 20200914 18


Dementia is a neurodegenerative disorder that affects the older adult population. To date, no cure or treatment to change its course is available. Since changes in the brains of affected individuals could be evidenced as early as 10 years before the onset of symptoms, prognosis research should consider this time frame. This study investigates a broad decision tree multifactorial approach for the prediction of dementia, considering 75 variables regarding demographic, social, lifestyle, medical hi  ...[more]

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