ArticleLipids in health and disease2025
Explainable machine learning-driven models for predicting Parkinson's disease and its prognosis: obesity patterns associations and models development using NHANES 1999-2018 data.
Article in Lipids in health and disease, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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6 authors.
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Abstract
backgroundParkinson's disease (PD) is a prevalent neurodegenerative condition, the effect of obesity on PD remains controversial. We aimed to investigate the associations of obesity patterns on PD and all-cause mortality, while developing machine learning (ML)-driven predictive and prognostic models for PD.
methodsFifty-one thousand, three hundred ninety-four adults from the National Health and Nutrition Examination Survey (NHANES) 1999-2018 were classified into four obesity patterns via body mass index (BMI) and waist circumference (WC). Associations of obesity patterns with PD risk and all-cause mortality were evaluated via multivariable logistic and Cox proportional hazards regression across three adjusted models. Subgroup, sensitivity, and restricted cubic spline (RCS) analyses examined stability, robustness, and nonlinearity. An integrative ML-driven architecture identified key features to develop predictive and prognostic nomograms, validated by the area under the receiver operating characteristic curves (AUCROCs) and calibration curves. Survival differences were analyzed using Kaplan-Meier curves. Shapley additive explanations (SHAP) enhanced model explanation.
resultsCompound obesity significantly increased PD risk (Model 1: OR = 1.83, P < 0.001; Model 2: OR = 1.70, P = 0.002; Model 3: OR = 1.71, P = 0.006) yet correlated with reduced all-cause mortality in PD patients (Model 1: HR = 0.43, P = 0.003; Model 2: HR = 0.75, P = 0.428; Model 3: HR = 0.41, P = 0.033). Subgroup analysis revealed only HbA1c-modified association of compound obesity with PD (P
conclusionsThis study preliminarily reveals that compound obesity significantly increases PD risk yet paradoxically associates with reduced all-cause mortality in PD patients. Validated predictive and prognostic nomograms for PD achieve relatively robust performances. Nonetheless, extensive longitudinal studies are required to validate these exploratory findings more comprehensively.
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