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Development, validation, and visualization of a novel nomogram to predict stroke risk in patients

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机构: [1]Shenzhen Hospital of Integrated Traditional Chinese and Western Medicine, Shenzhen, China. [2]Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China. [3]Clinical Medical of Acupuncture, Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China.
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关键词: stroke risk factors nomogram prediction model NHANES

摘要:
Stroke is the second leading cause of death worldwide and a major cause of long-term neurological disability, imposing an enormous financial burden on families and society. This study aimed to identify the predictors in stroke patients and construct a nomogram prediction model based on these predictors.This retrospective study included 11,435 participants aged >20 years who were selected from the NHANES 2011-2018. Randomly selected subjects (n = 8531; 75%) and the remaining subjects comprised the development and validation groups, respectively. The least absolute shrinkage and selection operator (LASSO) binomial and logistic regression models were used to select the optimal predictive variables. The stroke probability was calculated using a predictor-based nomogram. Nomogram performance was assessed by the area under the receiver operating characteristic curve (AUC) and the calibration curve with 1000 bootstrap resample validations. Decision curve analysis (DCA) was performed to evaluate the clinical utility of the nomogram.According to the minimum criteria of non-zero coefficients of Lasso and logistic regression screening, older age, lower education level, lower family income, hypertension, depression status, diabetes, heavy smoking, heavy drinking, trouble sleeping, congestive heart failure (CHF), coronary heart disease (CHD), angina pectoris and myocardial infarction were independently associated with a higher stroke risk. A nomogram model for stroke patient risk was established based on these predictors. The AUC (C statistic) of the nomogram was 0.843 (95% CI: 0.8186-0.8430) in the development group and 0.826 (95% CI: 0.7811, 0.8716) in the validation group. The calibration curves after 1000 bootstraps displayed a good fit between the actual and predicted probabilities in both the development and validation groups. DCA showed that the model in the development and validation groups had a net benefit when the risk thresholds were 0-0.2 and 0-0.25, respectively.This study effectively established a nomogram including demographic characteristics, vascular risk factors, emotional factors and lifestyle behaviors to predict stroke risk. This nomogram is helpful for screening high-risk stroke individuals and could assist physicians in making better treatment decisions to reduce stroke occurrence.Copyright © 2023 Wu, Xu, Wang, Zhu, Li and Tang.

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出版当年[2022]版:
大类 | 2 区 医学
小类 | 3 区 神经科学 3 区 老年医学
最新[2025]版:
大类 | 3 区 医学
小类 | 3 区 老年医学 3 区 神经科学
第一作者:
第一作者机构: [1]Shenzhen Hospital of Integrated Traditional Chinese and Western Medicine, Shenzhen, China. [2]Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China.
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通讯机构: [1]Shenzhen Hospital of Integrated Traditional Chinese and Western Medicine, Shenzhen, China. [2]Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China.
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