XGBoost Machine Learning Algorithm for Prediction of Outcome in Aneurysmal Subarachnoid Hemorrhage

Patients suffered aneurysmal subarachnoid hemorrhage (aSAH) usually develop poor survival and functional outcome. Evaluating aSAH patients at high risk of poor outcome is necessary for clinicians to make suitable therapeutical strategy. This study is conducted to develop prognostic model using XGBoo...

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Vydané v:Neuropsychiatric disease and treatment Ročník 18; s. 659 - 667
Hlavní autori: Wang, Ruoran, Zhang, Jing, Shan, Baoyin, He, Min, Xu, Jianguo
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: New Zealand Dove Medical Press Limited 01.01.2022
Dove
Dove Medical Press
Predmet:
Algorithms
aneurysmal subarachnoid hemorrhage
Aneurysms
artificial intelligence
extreme gradient boosting
Machine learning
Original Research
Prognosis
Statistical models
Subarachnoid hemorrhage
China
extreme gradient boosting
machine learning
prognosis
aneurysmal subarachnoid hemorrhage
artificial intelligence
ISSN:1178-2021, 1176-6328, 1178-2021
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Shrnutí:Patients suffered aneurysmal subarachnoid hemorrhage (aSAH) usually develop poor survival and functional outcome. Evaluating aSAH patients at high risk of poor outcome is necessary for clinicians to make suitable therapeutical strategy. This study is conducted to develop prognostic model using XGBoost (extreme gradient boosting) algorithm in aSAH. A total of 351 aSAH patients admitted to West China hospital were identified. Patients were divided into training set and test set with ratio of 7:3 to testify the predictive value of XGBoost based prognostic model. Additionally, logistic regression model was also constructed and compared with XGBoost based model. Area under the receiver operating characteristic curve (AUC), sensitivity and specificity were calculated to evaluate the value of XGBoost and logistic regression. There were 74 (21.1%) non-survivors and 148 (42.1%) patients with unfavorable functional outcome. Non-survivors had older age (p=0.025), lower Glasgow coma scale (GCS) (p<0.001), higher World Federation of Neurosurgical Societies WFNS score (p<0.001), mFisher score (p<0.001). The incidence of intraventricular hemorrhage (IVH) (p=0.025) and delayed cerebral ischemia (DCI) (p<0.001) was higher in non-survivors than survivors. The AUC of XGBoost model for predicting mortality and unfavorable functional outcome were 0.950 and 0.958, which were higher than 0.767 and 0.829 of logistic regression model. XGBoost based model is more precise than logistic regression model in predicting outcome of aSAH patients. Using XGBoost prognostic model is helpful for clinicians to identify high-risk aSAH patients and therefore strengthen medical care.
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These authors contributed equally to this work
ISSN:1178-2021
1176-6328
1178-2021
DOI:10.2147/NDT.S349956