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. 2023 Oct 13;23:215. doi: 10.1186/s12911-023-02293-2

Fig. 1.

Fig. 1

Flow chart of model construction and comparison

Notes: LASSO, the least absolute shrinkage and selection operator; HS, hemorrhagic stroke; RSF, Random survival forest; AUC, area under the curve; PPV, positive predictive value; NPV, negative predictive value