Diagnostic signature for heart failure with preserved ejection fraction (HFpEF): a machine learning approach using multi-modality electronic health record data

Table 3 Additive SHAP feature importance for each category of predictors in the combined signatures

	Model	Unstructured data	Structured data
	Model	Symptoms	Echocardiography parameters	Vitals	Age & Sex	Lab results
Summed importance of grouped features	HFpEF versus non-HF	0.953	0.036	0.011	0.033	< 0.001
Summed importance of grouped features	HFpEF versus HFrEF	0.551	0.334	0.115	0.058	< 0.001

ISSN: 1471-2261