Journal
JOURNAL OF CLINICAL MEDICINE
Volume 11, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/jcm11082264
Keywords
poststroke depression; prediction; machine learning; functional scale; cognitive scale
Categories
Funding
- National Research Foundation (NRF), Electronics and Telecommunications Research Institute (ETRI) - Korean government [2019R1A6A1A11034536, 2020R1A2C2004764, 21YR2410]
- Ministry of Science and ICT (MSIT)
- Korean government (MSIT) [202017D01]
- Korean government (Ministry of Trade, Industry and Energy) [202017D01]
- Korean government (Ministry of Health Welfare)
- Korean government (Ministry of Food and Drug Safety)
- National Research Foundation of Korea [2020R1A2C2004764] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Machine learning algorithms can effectively predict the occurrence and prognosis of poststroke depression in stroke patients based on their cognitive and functional statuses, and statistical methods do not provide better predictions than machine learning algorithms.
Poststroke depression (PSD) is a major psychiatric disorder that develops after stroke; however, whether PSD treatment improves cognitive and functional impairments is not clearly understood. We reviewed data from 31 subjects with PSD and 34 age-matched controls without PSD; all subjects underwent neurological, cognitive, and functional assessments, including the National Institutes of Health Stroke Scale (NIHSS), the Korean version of the Mini-Mental Status Examination (K-MMSE), computerized neurocognitive test (CNT), the Korean version of the Modified Barthel Index (K-MBI), and functional independence measure (FIM) at admission to the rehabilitation unit in the subacute stage following stroke and 4 weeks after initial assessments. Machine learning methods, such as support vector machine, k-nearest neighbors, random forest, voting ensemble models, and statistical analysis using logistic regression were performed. PSD was successfully predicted using a support vector machine with a radial basis function kernel function (area under curve (AUC) = 0.711, accuracy = 0.700). PSD prognoses could be predicted using a support vector machine linear algorithm (AUC = 0.830, accuracy = 0.771). The statistical method did not have a better AUC than that of machine learning algorithms. We concluded that the occurrence and prognosis of PSD in stroke patients can be predicted effectively based on patients' cognitive and functional statuses using machine learning algorithms.
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