Table 5.

Selected attributes using RReliefF.^a

Variableb		LA_dc score	LVEFd score	NYHAe score	LVIDdf score	LVIDsg score	LA_Volh score	Average rank
Anthropometric parameters
	Age	0.198	0.194	0.166	0.142	0.166	0.158	1.000
	Gender	0.051	0.037	0.043	0.055	0.058	0.022	12.500
	Height	0.057	0.064	0.045	0.075	0.051	0.029	9.167
	BSA i	0.075	0.073	0.053	0.095	0.085	0.045	4.167
Risk factors
	Smoking	0.063	0.046	0.052	0.032	0.069	0.082	7.500
	Presence of hypercholesterolemia	0.072	0.042	0.052	0.039	0.044	0.056	9.667
	History of syncope	0.026	0.036	0.029	0.022	0.029	0.048	20.000
	Family history of HCM j	0.056	0.060	0.061	0.047	0.052	0.066	5.833
	Family history of SCDk	0.027	0.051	0.032	0.031	0.051	0.049	14.667
Clinical, ECGl, and echom parameters
	NYHA	0.011	0.017	0.069	0.007	0.027	0.022	33.000
	Presence of atrial fibrillation	0.055	0.036	0.048	0.018	0.026	0.068	16.333
	QRS duration	0.035	0.046	0.029	0.039	0.026	0.039	17.167
	Interventricular septum ( IVS)	0.043	0.052	0.049	0.041	0.057	0.052	8.167
	LA_d	0.078	0.037	0.036	0.018	0.031	0.070	15.000
	LA_Vol	0.055	0.029	0.026	0.012	0.025	0.059	24.000
	LVIDs	0.017	0.022	0.027	0.029	0.043	0.031	25.167
	LVIDd	0.021	0.017	0.017	0.036	0.044	0.026	27.667
	LVEF	0.018	0.051	0.019	0.014	0.050	0.013	27.833
Genetics
	Mutation MYBPC3	0.045	0.041	0.039	0.051	0.052	0.059	9.667
	Mutation MYH7	0.037	0.044	0.034	0.040	0.066	0.023	14.667
	Negative genetics	0.036	0.037	0.027	0.043	0.030	0.031	18.667

^aThe table shows RReliefF feature scores and the average ranks for each target variable.

^bNames of the 10 highest-ranked variables are italicized.

^cLA_d: left atrial diameter.

^dLVEF: left ventricular ejection fraction.

^eNYHA: New York Heart Association.

^fLVIDd: left ventricular internal diameter at end diastole.

^gLVIDs: left ventricular internal diameter at end systole.

^hLA_Vol: left atrial volume.

ⁱBSA: body surface area.

^jHCM: hypertrophic cardiomyopathy.

^kSCD: sudden cardiac death.

^lECG: electrocardiogram.

^mEcho: echocardiogram.