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. 2022 Jul 9;60(9):2655–2663. doi: 10.1007/s11517-022-02618-9

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Fig. 2 — Decision tree model based on MeanRR, SDNN, LF, LF/HF, Beta exp, sex, age features. HC, healthy control; DCM, dilated cardiomyopathy; IHD, ischemic heart disease