Automatic segmentation of myocardium at risk from contrast enhanced SSFP CMR: validation against expert readers and SPECT

Table 3 Inter-observer variability analysis from subset n = 15 for manual delienation and automatic Segment MaR CE-SSFP segmentation compared to results for Segment MaR CE-SSFP against manual delineation

	MaR bias [% of LVM]	Regression	DSC
	MaR bias [% of LVM]	R-value	DSC
Manual delineation vs. manual delineation	0 ± 3	0.93	0.92 ± 0.04
Segment MaR CE-SSFP vs. Segment MaR CE-SSFP	-1 ± 2	0.99	0.94 ± 0.03
Segment MaR CE-SSFP vs. manual delineation	2 ± 6	0.77	0.86 ± 0.05

MaR Myocardium at risk, LVM Left ventricular mass, DSC Dice similarity coefficient, Segment MaR CE-SSFP automatic segmentation proposed in this study, manual delineation performed by a reference and a second observer, automatic Segment MaR CE-SSFP performed by a reference and a second observer

ISSN: 1471-2342