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<p>Parkinson’s disease (PD) is a complex, progressive neurodegenerative disorder characterized by high heterogeneity and diagnostic challenges in its early stages. This study aimed to develop and validate a multimodal machine learning model for early PD detection by integrating neurochemical metabolites and QSM-based radiomic features from multicenter PD cohorts. Several model architectures, including Random Forest, Support Vector Machine, eXtreme Gradient Boosting (XGBoost), and Light Gradient Boosting Machine, were evaluated for comparing appropriate methods. The XGBoost model demonstrated superior predictive performance, achieving AUC values of 0.984 and 0.973 in the training and test cohorts, respectively. Feature importance analysis identified key diagnostic biomarkers using SHapley Additive exPlanations (SHAP) and enhanced model interpretability. This study can provide new insights into the neurobiological mechanisms underlying early PD.</p>

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Quantitative susceptibility mapping and MRS-based multimodal machine learning for early Parkinson’s disease classification

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年4月7日

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  • Yuan Tian,
  • Yaqiang Zhang,
  • Yingzhe Cui,
  • Dong Nan,
  • Jingyi Liu,
  • Qi Wang,
  • Junhong Duan,
  • Jianxiu Lian,
  • Song Tian,
  • Liangjie Lin,
  • Huailei Liu,
  • Pengfei Liu

摘要

Parkinson’s disease (PD) is a complex, progressive neurodegenerative disorder characterized by high heterogeneity and diagnostic challenges in its early stages. This study aimed to develop and validate a multimodal machine learning model for early PD detection by integrating neurochemical metabolites and QSM-based radiomic features from multicenter PD cohorts. Several model architectures, including Random Forest, Support Vector Machine, eXtreme Gradient Boosting (XGBoost), and Light Gradient Boosting Machine, were evaluated for comparing appropriate methods. The XGBoost model demonstrated superior predictive performance, achieving AUC values of 0.984 and 0.973 in the training and test cohorts, respectively. Feature importance analysis identified key diagnostic biomarkers using SHapley Additive exPlanations (SHAP) and enhanced model interpretability. This study can provide new insights into the neurobiological mechanisms underlying early PD.