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Table 1 Inter-observer variability

From: High throughput clinical CMR service: role of technologists in LV volume analysis

 

Observer

EDV

ESV*

Mass

1 vs 2

Mean (SD) difference

15.1 (10.5)

0.1 (0.2)

20.6 (14.2)

 

Mean (SD)

154.7 (31.4)

4.3 (0.4)

140.6 (29.2)

 

Coefficient of variability (%)

6.8

4.1

10.1

1 vs 3

Mean (SD) difference

17.4 (10.9)

0.4 (0.2)

25.6 (14.1)

 

Mean (SD)

155.9 (31.3)

4.4 (0.4)

144.5 (30.0)

 

Coefficient of variability (%)

7.0

4.7

9.8

  1. Summary statistics calculated are mean and SD of differences, mean and SD of values. Differences between observers are assessed using Bland-Altman plots. *log-transformed for skewed distribution.