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Table 4 Intra- and inter-observer variability comparison

From: Realization of fully automated quantification of left ventricular volumes and systolic function using transthoracic 3D echocardiography

Variability (%)

Manual 3DE

Automated 3DE with

manual adjustment

Automated 3DE without

manual adjustment

EDV

ESV

EF

EDV

ESV

EF

EDV

ESV

EF

Intra-observer

6 ± 4

9 ± 7

8 ± 5

5 ± 4

6 ± 5

6 ± 5

5 ± 4

6 ± 4

6 ± 5

Inter-observer

8 ± 5

10 ± 7

7 ± 3

5 ± 4

8 ± 5

7 ± 4

5 ± 4

8 ± 5

7 ± 4

  1. 3DE 3-dimensional echocardiography, EDV end-diastolic volume, ESV end-systolic volume, EF ejection fraction