The AUC difference between combined_XGBoost and intravoxel_XGBoost did not reach statistical significance (P = 0.07, Delong test), and the AUC of combined_XGBoost was significantly higher than that of all other models except intravoxel_XGBoost (P < 0.01, Delong test).
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Detection of mild cognitive impairment in Parkinson's disease using gradient boosting decision tree models based on multilevel DTI indices.
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