Table 2.

Intra- and interobserver reproducibility

	Protocol 1 (TE 65 msec; slice thickness 15 mm)	Protocol 2 (TE 100 msec; slice thickness 8 mm)
	Mean difference (± limits of agreement)	Mean difference (± limits of agreement)
Area at risk, %LV
Interobserver reproducibility	0 (± 6)	0 (± 8)
Intraobserver reproducibility	0 (± 6)	1 (± 6)
Area at risk, g
Interobserver reproducibility	-2 (± 10)	-6 (± 6)
Intraobserver reproducibility	0 (± 12)	-3 (± 10)
Salvage index
Interobserver reproducibility	0.00 (± 0.08)	-0.03 (± 0.06)
Intraobserver reproducibility	0.01 (± 0.06)	-0.02 (± 0.08)

Mean difference (± limit of agreement = 2 × standard deviation)

LV, left ventricle; TE, time to echo.