Table 4. Results of linear SVM (), SVM with polynomial kernel () and SVM with RBF kernel () classifications using the total of features of the HRV records from normal (N) and cardiovascular risk (R) subjects.

Kernel		Se (%)	Sp (%)	Np (%)	Pp (%)	Ac (%)
Linear	Training set	100.00	100.00	100.00	100.00	100.00
	Test set	86.36	90.91	86.96	90.48	88.64
Polynomial	Training set	100.00	100.00	100.00	100.00	100.00
	Test set	79.55	86.36	85.37	80.85	82.95
RBF	Training set	100.00	100.00	100.00	100.00	100.00
	Test set	77.27	87.88	86.44	79.45	82.58