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Table 3 EF inter- and intra-observer reproducibility

From: The impact of simplified endocardial contouring on left ventricular volumetric assessment

 

Mean difference

+SD (%)

p-value

Correlation coefficient

(r)

Bland-Altman

95% limits of agreement (%)

Bland-Altman range (%)

Interobserver variability

-0.3 + 1

0.35

0.99

-2 to 2

4

CMR Tools

0.4 + 2

0.27

0.97

-4 to 4

8

Argus

4DVF

3.2 + 9

0.22

0.58

-15 to 21

36

Intraobserver variability

0.1 + 1

0.78

0.99

-2 to 2

4

CMR Tools

0.8 + 2

0.20

0.98

-3 to 4

7

Argus

4DVF

-3.0 + 4.5

0.08

0.93

-11 to 6

17