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. 2025 Jan 20;25:242. doi: 10.1186/s12889-025-21284-8

Fig. 4.

Fig. 4

Analysis of ML Model Synthesis. (a) ROC curve and AUC for the training set. (b) ROC curve and AUC for the validation set. The hospitalized patients dataset was divided into a training set and a validation set in a ratio of 8:2 using the random number method. The cross-validation process was repeated five times to ensure robustness and reliability in the analysis