Development and validation of a predictive model for frailty risk in older adults with cardiovascular-metabolic comorbidities
BackgroundWith the rapid progression of population aging, the number of frail individuals is steadily rising, making frailty a pressing public health issue that demands urgent attention. Compared to individuals with a single cardiovascular-metabolic disease, patients with cardiovascular-metabolic mu...
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Frontiers Media S.A.
2025-04-01
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| Series: | Frontiers in Public Health |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fpubh.2025.1561845/full |
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| author | Lulu Yan Lulu Yan Entong Ren Chenjiao Guo Yuanyuan Peng Hao Chen Weihua Li |
| author_facet | Lulu Yan Lulu Yan Entong Ren Chenjiao Guo Yuanyuan Peng Hao Chen Weihua Li |
| author_sort | Lulu Yan |
| collection | DOAJ |
| description | BackgroundWith the rapid progression of population aging, the number of frail individuals is steadily rising, making frailty a pressing public health issue that demands urgent attention. Compared to individuals with a single cardiovascular-metabolic disease, patients with cardiovascular-metabolic multimorbidity (CMM) are more prone to developing frailty. This study aimed to develop and validate a predictive model for assessing frailty risk in older adult patients with CMM.MethodsThe data came from participants in the 2015 wave of the China Health and Retirement Longitudinal Study (CHARLS). The study population comprised individuals aged 60 years and older with CMM and complete frailty scale measurements. Frailty status was evaluated using the Fried Frailty Scale. 26 indicators, including socio-demographic characteristics, lifestyle factors, overall health condition, and psychological well-being. The entire sample was randomly allocated into training and validation sets at a 7:3 ratio. LASSO regression and logistic regression was conducted to evaluate factors associated with frailty. A nomogram was constructed using the identified predictors to predict outcomes. The discrimination, accuracy, and clinical effectiveness of the model were evaluated by the area under the receiver operating characteristic curve (AUC), calibration plot, and decision curve analysis (DCA).ResultsThe study included 2,164 older adult CMM participants, with 387 (17.88%) displaying frailty symptoms. Binary logistic regression analyses revealed that depression, social activity, history of falls, life satisfaction, ADL scores, cognitive function, age and the number of CMDs were significantly associated with frailty. These eight factors were incorporated into the nomogram model, and the AUC values for the predictive model were 0.816 (95% CI = 0.787–0.848) and 0.816 (95% CI = 0.786–0.846) for the training and validation sets, respectively, indicating effective discrimination. Hosmer-Lemeshow test results showed p = 0.073 and p = 0.245 (both > 0.05), with calibration curves indicating strong alignment between the model’s predictions and actual outcomes. The DCA demonstrated the model’s substantial clinical utility.ConclusionThe nomogram prediction model developed in this research is a reliable and effective tool for assisting clinicians in identifying frailty in older adult CMM patients at an early stage, providing a scientific foundation for individualized health management and intervention. |
| format | Article |
| id | doaj-art-9d939650c79e44a4bc1ac459d1bf41c8 |
| institution | DOAJ |
| issn | 2296-2565 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Frontiers Media S.A. |
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| spelling | doaj-art-9d939650c79e44a4bc1ac459d1bf41c82025-08-20T03:14:51ZengFrontiers Media S.A.Frontiers in Public Health2296-25652025-04-011310.3389/fpubh.2025.15618451561845Development and validation of a predictive model for frailty risk in older adults with cardiovascular-metabolic comorbiditiesLulu Yan0Lulu Yan1Entong Ren2Chenjiao Guo3Yuanyuan Peng4Hao Chen5Weihua Li6Health Science Center, Yangtze University, Jingzhou City, ChinaDepartment of Nursing, General Hospital of Southern Theatre Command of PLA, Guangzhou, Guangdong, ChinaHealth Science Center, Yangtze University, Jingzhou City, ChinaDepartment of Medicine, Guangdong Pharmaceutical University, Guangzhou, Guangdong, ChinaDepartment of Medicine, Guangdong Pharmaceutical University, Guangzhou, Guangdong, ChinaDepartment of Medicine, Guangdong Pharmaceutical University, Guangzhou, Guangdong, ChinaDepartment of Nursing, General Hospital of Southern Theatre Command of PLA, Guangzhou, Guangdong, ChinaBackgroundWith the rapid progression of population aging, the number of frail individuals is steadily rising, making frailty a pressing public health issue that demands urgent attention. Compared to individuals with a single cardiovascular-metabolic disease, patients with cardiovascular-metabolic multimorbidity (CMM) are more prone to developing frailty. This study aimed to develop and validate a predictive model for assessing frailty risk in older adult patients with CMM.MethodsThe data came from participants in the 2015 wave of the China Health and Retirement Longitudinal Study (CHARLS). The study population comprised individuals aged 60 years and older with CMM and complete frailty scale measurements. Frailty status was evaluated using the Fried Frailty Scale. 26 indicators, including socio-demographic characteristics, lifestyle factors, overall health condition, and psychological well-being. The entire sample was randomly allocated into training and validation sets at a 7:3 ratio. LASSO regression and logistic regression was conducted to evaluate factors associated with frailty. A nomogram was constructed using the identified predictors to predict outcomes. The discrimination, accuracy, and clinical effectiveness of the model were evaluated by the area under the receiver operating characteristic curve (AUC), calibration plot, and decision curve analysis (DCA).ResultsThe study included 2,164 older adult CMM participants, with 387 (17.88%) displaying frailty symptoms. Binary logistic regression analyses revealed that depression, social activity, history of falls, life satisfaction, ADL scores, cognitive function, age and the number of CMDs were significantly associated with frailty. These eight factors were incorporated into the nomogram model, and the AUC values for the predictive model were 0.816 (95% CI = 0.787–0.848) and 0.816 (95% CI = 0.786–0.846) for the training and validation sets, respectively, indicating effective discrimination. Hosmer-Lemeshow test results showed p = 0.073 and p = 0.245 (both > 0.05), with calibration curves indicating strong alignment between the model’s predictions and actual outcomes. The DCA demonstrated the model’s substantial clinical utility.ConclusionThe nomogram prediction model developed in this research is a reliable and effective tool for assisting clinicians in identifying frailty in older adult CMM patients at an early stage, providing a scientific foundation for individualized health management and intervention.https://www.frontiersin.org/articles/10.3389/fpubh.2025.1561845/fullpredictive modelfrailtycardiovascular-metabolic comorbiditiesCHARLScross-sectional study |
| spellingShingle | Lulu Yan Lulu Yan Entong Ren Chenjiao Guo Yuanyuan Peng Hao Chen Weihua Li Development and validation of a predictive model for frailty risk in older adults with cardiovascular-metabolic comorbidities Frontiers in Public Health predictive model frailty cardiovascular-metabolic comorbidities CHARLS cross-sectional study |
| title | Development and validation of a predictive model for frailty risk in older adults with cardiovascular-metabolic comorbidities |
| title_full | Development and validation of a predictive model for frailty risk in older adults with cardiovascular-metabolic comorbidities |
| title_fullStr | Development and validation of a predictive model for frailty risk in older adults with cardiovascular-metabolic comorbidities |
| title_full_unstemmed | Development and validation of a predictive model for frailty risk in older adults with cardiovascular-metabolic comorbidities |
| title_short | Development and validation of a predictive model for frailty risk in older adults with cardiovascular-metabolic comorbidities |
| title_sort | development and validation of a predictive model for frailty risk in older adults with cardiovascular metabolic comorbidities |
| topic | predictive model frailty cardiovascular-metabolic comorbidities CHARLS cross-sectional study |
| url | https://www.frontiersin.org/articles/10.3389/fpubh.2025.1561845/full |
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