Predictive accuracy of comorbidity index models in assessing mortality risk among hemodialysis patients: A comprehensive single‐center observational cohort study

Abstract Objectives Comorbidity prediction models have been demonstrated to offer more comprehensive and accurate predictions of death risk compared to single indices. However, their application in China has been limited, particularly among maintenance hemodialysis (MHD) patients. Therefore, the obj...

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Main Authors: Yanna Yu, Fen Li, Zhan Wang, Zhibin Ni, Shu Zhang, Weihong Zhao, Xiaohua Pei
Format: Article
Language:English
Published: Wiley 2024-12-01
Series:Aging Medicine
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Online Access:https://doi.org/10.1002/agm2.12384
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author Yanna Yu
Fen Li
Zhan Wang
Zhibin Ni
Shu Zhang
Weihong Zhao
Xiaohua Pei
author_facet Yanna Yu
Fen Li
Zhan Wang
Zhibin Ni
Shu Zhang
Weihong Zhao
Xiaohua Pei
author_sort Yanna Yu
collection DOAJ
description Abstract Objectives Comorbidity prediction models have been demonstrated to offer more comprehensive and accurate predictions of death risk compared to single indices. However, their application in China has been limited, particularly among maintenance hemodialysis (MHD) patients. Therefore, the objective of this study was to evaluate the utility of comorbidity index models in predicting mortality risk among Chinese MHD patients. Methodology The MHD patients in the First Affiliated Hospital of Guangzhou University of Traditional Chinese Medicine were taken as the subjects. Claims‐based disease‐specific refinements matching translation to ICD‐10 and flexibility (CDMF‐CCI) model and Liu model were selected as the candidate models for this verification research. Univariate and multivariate Cox regression calculations were used to analyze the independent predictive effect of the models on survival rate. Results Annually, nearly 500 patients undergo hemodialysis treatment. From January 2019 to June 2022, a total of 199 patients succumbed, with a mean age of 65.2 years. During these 4 years, the mortality rates were 13.04%, 9.68%, 11.69%, and 6.39%, respectively. The leading causes of death were sudden demise (82 patients, 41.2%), cardiovascular disease (48 patients, 24.1%), pulmonary infection (33 patients, 16.5%), and stroke (19 patients, 9.5%). When compared to individual indices, the CDMF‐CCI model displayed more accurate and predictive results, with an HR of 1.190 (P = 0.037). Conversely, the Liu model failed to identify high‐risk individuals. Conclusion The MHD patients face a significant risk of mortality. When compared to univariate parameters and the Liu model, the CDMF‐CCI model exhibits superior predictive accuracy for mortality in MHD patients.
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spelling doaj-art-dd1d0f881f2f4156a276b03d267afafd2025-01-04T08:39:02ZengWileyAging Medicine2475-03602024-12-017673774310.1002/agm2.12384Predictive accuracy of comorbidity index models in assessing mortality risk among hemodialysis patients: A comprehensive single‐center observational cohort studyYanna Yu0Fen Li1Zhan Wang2Zhibin Ni3Shu Zhang4Weihong Zhao5Xiaohua Pei6Department of Nephrology The First Affiliated Hospital of Guangzhou University of Chinese Medicine Guangzhou ChinaDepartment of Nephrology The Eighth People's Hospital of Qingdao Qingdao ChinaDepartment of Epidemiology, Center for Global Health, School of Public Health Nanjing Medical University Nanjing ChinaDepartment of Nephrology The First Affiliated Hospital of Guangzhou University of Chinese Medicine Guangzhou ChinaDepartment of Nephrology The First Affiliated Hospital of Guangzhou University of Chinese Medicine Guangzhou ChinaDepartment of Geriatric Nephrology The First Affiliated Hospital of Nanjing Medical University Nanjing ChinaDepartment of Geriatric Nephrology The First Affiliated Hospital of Nanjing Medical University Nanjing ChinaAbstract Objectives Comorbidity prediction models have been demonstrated to offer more comprehensive and accurate predictions of death risk compared to single indices. However, their application in China has been limited, particularly among maintenance hemodialysis (MHD) patients. Therefore, the objective of this study was to evaluate the utility of comorbidity index models in predicting mortality risk among Chinese MHD patients. Methodology The MHD patients in the First Affiliated Hospital of Guangzhou University of Traditional Chinese Medicine were taken as the subjects. Claims‐based disease‐specific refinements matching translation to ICD‐10 and flexibility (CDMF‐CCI) model and Liu model were selected as the candidate models for this verification research. Univariate and multivariate Cox regression calculations were used to analyze the independent predictive effect of the models on survival rate. Results Annually, nearly 500 patients undergo hemodialysis treatment. From January 2019 to June 2022, a total of 199 patients succumbed, with a mean age of 65.2 years. During these 4 years, the mortality rates were 13.04%, 9.68%, 11.69%, and 6.39%, respectively. The leading causes of death were sudden demise (82 patients, 41.2%), cardiovascular disease (48 patients, 24.1%), pulmonary infection (33 patients, 16.5%), and stroke (19 patients, 9.5%). When compared to individual indices, the CDMF‐CCI model displayed more accurate and predictive results, with an HR of 1.190 (P = 0.037). Conversely, the Liu model failed to identify high‐risk individuals. Conclusion The MHD patients face a significant risk of mortality. When compared to univariate parameters and the Liu model, the CDMF‐CCI model exhibits superior predictive accuracy for mortality in MHD patients.https://doi.org/10.1002/agm2.12384chronic kidney diseaseend‐stage kidney diseasemaintenance hemodialysismortalityrenal function
spellingShingle Yanna Yu
Fen Li
Zhan Wang
Zhibin Ni
Shu Zhang
Weihong Zhao
Xiaohua Pei
Predictive accuracy of comorbidity index models in assessing mortality risk among hemodialysis patients: A comprehensive single‐center observational cohort study
Aging Medicine
chronic kidney disease
end‐stage kidney disease
maintenance hemodialysis
mortality
renal function
title Predictive accuracy of comorbidity index models in assessing mortality risk among hemodialysis patients: A comprehensive single‐center observational cohort study
title_full Predictive accuracy of comorbidity index models in assessing mortality risk among hemodialysis patients: A comprehensive single‐center observational cohort study
title_fullStr Predictive accuracy of comorbidity index models in assessing mortality risk among hemodialysis patients: A comprehensive single‐center observational cohort study
title_full_unstemmed Predictive accuracy of comorbidity index models in assessing mortality risk among hemodialysis patients: A comprehensive single‐center observational cohort study
title_short Predictive accuracy of comorbidity index models in assessing mortality risk among hemodialysis patients: A comprehensive single‐center observational cohort study
title_sort predictive accuracy of comorbidity index models in assessing mortality risk among hemodialysis patients a comprehensive single center observational cohort study
topic chronic kidney disease
end‐stage kidney disease
maintenance hemodialysis
mortality
renal function
url https://doi.org/10.1002/agm2.12384
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