Evidence map›Paper›PMID 37653560›Full record

ArticleAlzheimer's research & therapy2023

Prediction of post-stroke cognitive impairment after acute ischemic stroke using machine learning.

Minwoo Lee, Na-Young Yeo, Hyo-Jeong Ahn, Jae-Sung Lim, Yerim Kim, Sang-Hwa Lee, Mi Sun Oh, Byung-Chul Lee, Kyung-Ho Yu, Chulho Kim

Open access · goldAbstract read
In one paragraph

Article in Alzheimer's research & therapy, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
55citing papers in PubMed, 3 pooled it
15.0field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

55 citing papers in PubMed, 3 syntheses or guidelines pooled it, 70 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 4 institutions in 1 country.

Minwoo LeeDepartment of Neurology, Hallym University Sacred Heart Hospital, Hallym University, Anyang, South Korea.
Na-Young YeoDepartment of Neurology, Chuncheon Sacred Heart Hospital, Hallym University, Chuncheon, South Korea.
Hyo-Jeong AhnDepartment of Neurology, Chuncheon Sacred Heart Hospital, Hallym University, Chuncheon, South Korea.
Jae-Sung LimDepartment of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.
Yerim KimDepartment of Neurology, Kangdong Sacred Heart Hospital, Hallym University, Chuncheon, South Korea.
Sang-Hwa LeeDepartment of Neurology, Chuncheon Sacred Heart Hospital, Hallym University, Chuncheon, South Korea.
Mi Sun OhDepartment of Neurology, Hallym University Sacred Heart Hospital, Hallym University, Anyang, South Korea.
Byung-Chul LeeDepartment of Neurology, Hallym University Sacred Heart Hospital, Hallym University, Anyang, South Korea.
Kyung-Ho YuDepartment of Neurology, Hallym University Sacred Heart Hospital, Hallym University, Anyang, South Korea.
Chulho KimDepartment of Neurology, Chuncheon Sacred Heart Hospital, Hallym University, Chuncheon, South Korea. gumdol52@hallym.or.kr.
Hallym University · KRHallym University Sacred Heart Hospital · KRHallym University Chuncheon Sacred Heart Hospital · KRUniversity of Ulsan · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND AND

objectivesPost-stroke cognitive impairment (PSCI) occurs in up to 50% of patients with acute ischemic stroke (AIS). Thus, the prediction of cognitive outcomes in AIS may be useful for treatment decisions. This PSCI cohort study aimed to determine the applicability of a machine learning approach for predicting PSCI after stroke.

methodsThis retrospective study used a prospective PSCI cohort of patients with AIS. Demographic features, clinical characteristics, and brain imaging variables previously known to be associated with PSCI were included in the analysis. The primary outcome was PSCI at 3-6 months, defined as an adjusted z-score of less than - 2.0 standard deviation in at least one of the four cognitive domains (memory, executive/frontal, visuospatial, and language), using the Korean version of the Vascular Cognitive Impairment Harmonization Standards-Neuropsychological Protocol (VCIHS-NP). We developed four machine learning models (logistic regression, support vector machine, extreme gradient boost, and artificial neural network) and compared their accuracies for outcome variables.

resultsA total of 951 patients (mean age 65.7 ± 11.9; male 61.5%) with AIS were included in this study. The area under the curve for the extreme gradient boost and the artificial neural network was the highest (0.7919 and 0.7365, respectively) among the four models for predicting PSCI according to the VCIHS-NP definition. The most important features for predicting PSCI include the presence of cortical infarcts, mesial temporal lobe atrophy, initial stroke severity, stroke history, and strategic lesion infarcts.

conclusionOur findings indicate that machine-learning algorithms, particularly the extreme gradient boost and the artificial neural network models, can best predict cognitive outcomes after ischemic stroke.

Indexed as

Cognitive DysfunctionIschemic StrokeAgedCohort StudiesHumansInfarctionMachine LearningMaleMiddle AgedProspective StudiesRetrospective StudiesDementiaMachine learningPost-stroke cognitive impairmentStroke

Identifiers

PMID37653560
PMCPMC10468853
OpenAlexW4386331315

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.