. Author manuscript; available in PMC: 2015 Jul 1.

Published in final edited form as: IEEE Trans Inf Technol Biomed. 2012 Jan 24;16(3):463–468. doi: 10.1109/TITB.2012.2185809

TABLE III.

Subject Classification Using SVM

Kernel	C	HRV Features			Respiratory Features			Oxygen Saturation Features			Combined Features
Kernel	C	Acc%	Sen%	Spec%	Acc%	Sen%	Spec%	Acc%	Sen%	Spec%	Acc%	Sen%	Spec%
Linear	0.1	64.0	46.9	80.4	89.0	85.7	92.2	87.0	77.6	96.1	90.0	89.8	90.2
	1	69.0	57.1	80.4	88.0	83.7	92.2	86.0	75.5	96.1	92.0	89.8	94.1
	5	79.0	79.6	78.4	88.0	83.7	92.2	70.0	63.3	76.5	91.0	85.7	96.1
	10	77.0	79.6	74.5	88.0	83.7	92.2	60.0	42.9	76.5	88.0	91.8	84.3
2-nd order Polynomial	0.1	74.0	61.2	86.3	88.0	87.8	88.2	95.0	98.0	92.2	95.0	91.8	98.0
	1	77.0	71.4	82.4	86.0	87.8	84.3	95.0	100	90.2	95.0	91.8	98.0
	5	78.0	67.3	88.2	87.0	87.8	86.3	95.0	100	90.2	95.0	91.8	98.0
	10	78.0	67.3	88.2	87.0	87.8	86.3	95.0	100	90.2	93.0	91.8	94.1