Table 3.

Intra and Inter-observer variability

	Intra-observer (Investigator 1)			Inter-observer (Investigator 2)
	Analysis 1.1	Analysis 1.2	CoV	Analysis 2	CoV
Direct flow, % EDV	38 ± 4	37 ± 5	3.9	36 ± 5	5.7
Retained inflow, % EDV	14 ± 3	15 ± 3	3.6	15 ± 3	2.6
Delayed ejection flow, % EDV	17 ± 3	17 ± 3	6.1	18 ± 3	4.8
Residual volume, % EDV	31 ± 3	30 ± 3	3.5	31 ± 4	5.0
Ejection fraction, %	70 ± 3	69 ± 3	4.0	67 ± 4	4.1
EDV, ml	162 ± 46	166 ± 44	4.3	154 ± 40	5.8
ESV, ml	50 ± 16	51 ± 17	5.7	51 ± 16	5.6

CoV Coefficient of variation, EDV End diastolic volume, ESV End systolic volume