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Table 3 Intra-observer variability Cohen's kappa scores of scar detection and overall image quality score. The intra-observer variability analysis was performed for both 2D and 3D grey-blood LGE datasets

From: 3D whole-heart grey-blood late gadolinium enhancement cardiovascular magnetic resonance imaging

Intra-observer Variability

 

2D

3D

 

Patient no

Cohen kappa

P-value

Cohen kappa

P-value

Scar detection

1

0.658

0.95

0.658

0.95

2

1

–

1

–

3

1

–

1

–

4

1

–

1

–

5

1

–

1

–

6

0.746

0.99

0.746

0.99

7

0.883

0.99

0.883

0.99

8

1

–

1

–

9

1

–

1

–

10

1

–

1

–

All patients

0.898

0.99

0.898

0.99

Quality score

All patients

1

–

1

–

  1. Intra-observer variability for scar detection was computed for each patient considering each left ventricular (LV) segment in the analysis, and for all patients considering each segment of each patient in the analysis