Table 3.

Coefficients of variation (CV) between repeated measurements by the same (Intra-observer) and two (Inter-observer) observers in 5 pigs

Echocardiographic index	Intra-observer	Inter-observer
	CV (%)	CV (%)
Modified Simpson’s
Ejection fraction	8.2	10.4
End-diastolic volume	2.5	6.4
End-systolic volume	4.7	10.9
Cylinder hemiellipsoid
Ejection fraction	9.3	10.4
End-diastolic volume	1.9	10.3
End-systolic volume	2.5	6.4