Table 3

Obtaining similar performance from totally different sets of variables because captured variance is similar

K=	Variables	Captured variance %
3	Sept, Sept-LLW, QRS-E	59
	SD, DCSept, DCLLW	58
	LPEI, Sept, QRS-E	57
	LPEI, IVD, DFT%	34
4	Sept, Sept-LLW, QRS-E, LPEI/LVET	73
	OverlapSept, Overlap LLW, QRS-E, LPEI/LVET	72
	Sept, Sept-LLW, QRS-E, LPEI	72
	SD, DCSept, DCLLW, LPEI/LVET	72
	LPEI, IVD, DFT%, Overlap LLW	49
6	SD, DCSept, DCLLW, LPEI/LVET, RPEI, IsovolRT	87
	LPEI, Sept, QRS-E, Sept-LLW, RPEI, SD	87
	QRS-E, Sept-LLW, Sept, LVEI/LVET, IVD, SD	87

DC, diastolic contraction; DFT, diastolic filling time; IVD, interventricular delay; IsovolCT, isovolumic contraction time; IsovolRT, isovolumic relaxation time; LA, left atrial; LLW, left lateral wall; LPEI, left pre-ejection interval; LVET, left ventricular ejection time; MVR, mitral valve regurgitation; RPEI, right pre-ejection interval; RPEI, right pre-ejection interval; SD, systole duration; Sept, septal.