Atlas-based analysis of cardiac shape and function: correction of regional shape bias due to imaging protocol for population studies

Table 1 Protocol bias

	EDV (ml)	ESV (ml)	LVM (g)
GRE	126.2 ± 27.0	52.8 ± 12.6	145.2 ± 33.2
SSFP	134.1 ± 28.3	52.8 ± 13.7	131.1 ± 31.6
Estimated SSFP	133.7 ± 29.6	53.2 ± 14.4	130.1 ± 30.9
Volume error pre correction	−7.9 ± 12.3	0.0 ± 8.2	14.1 ± 10.5
Volume error post correction	−0.4 ± 14.6	0.4 ± 10.4	−1.1 ± 10.8
	ED RMS (mm)	ES RMS (mm)
Surface bias pre correction	0.75	1.39
Surface bias post correction	0.06	0.07

Cavity volume at end diastole (EDV), end systole (ESV), myocardium mass (LVM) and leave-one-out errors in volume and surface root mean squared error (RMS) for the indicated sets (N = 46).

ISSN: 1532-429X