Table 2.

Intra- and interobserver variability of reconstructed myocardial velocity data in the mouse and the rat

	Mouse Absolute (relative)	Rat Absolute (relative)
Intraobserver
S-wave velocity (cm s−1 (%))	0.13 ± 0.09 (9.1 ± 6.2)	0.27 ± 0.26 (3 ± 3)
E-wave velocity (cm s−1 (%))	0.18 ± 0.18 (9.7 ± 10.2)	0.30 ± 0.20 (2.7 ± 2.7)
Displacement (cm (%))	0.004 ± 0.003 (11.7 ± 7.8)	0.006 ± 0.005 (1.6 ± 1)
Interobserver
S-wave velocity (cm s−1 (%))	0.18 ± 0.13 (13.5 ± 9.1)	0.23 ± 0.22 (6.3 ± 6.1)
E-wave velocity (cm s−1 (%))	0.19 ± 0.17 (9.7 ± 7.8)	0.42 ± 0.38 (1.6 ± 1)
Displacement (cm (%))	0.004 ± 0.004 (12.0 ± 13.0)	0.011 ± 0.008 (2.9 ± 2.5)