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Table 5 Intra-observer and inter-observer variability of CMR for 2D and 3D global strain in randomly selected 10 cases from patients with Fontan repair and controls

From: Quantitative comparison of two-dimensional and three-dimensional strain measurement using MRI feature tracking in repair Fontan patients and normal child volunteers

Variables

Intra-observer (n = 10)

Inter-observer (n = 10)

ICC (%)

CoV

ICC (%)

CoV

2D GLS (%)

0.91 (0.84–0.94)

3.13

0.84 (0.76–0.89)

5.12

2D GCS (%)

0.86 (0.78–0.90)

4.92

0.82 (0.73–0.88)

5.73

2D GRS (%)

0.88 (0.80–0.93)

7.18

0.76 (0.62–0.85)

11.23

3D GLS (%)

0.83 (0.76–0.88)

3.62

0.84 (0.74–0.86)

5.36

3D GCS (%)

0.89 (0.83–0.92)

4.59

0.87 (0.79–0.94)

5.15

3D GRS (%)

0.81 (0.72–0.87)

8.17

0.80 (0.67–0.88)

10.29