Table 5 Intra- and inter-observer agreement in strain measurement.

From: Early and Quantitative Assessment of Myocardial Deformation in Essential Hypertension Patients by Using Cardiovascular Magnetic Resonance Feature Tracking

 

Mean difference

Limits of agreement

ICC(95% CI)

GRS

Intra-observer

0.46

−4.15–5.07

0.946 (0.871–0.978)

Inter-observer

−0.49

−8.44–7.46

0.898 (0.762–0.958)

GCS

Intra-observer

−0.18

−1.05–0.68

0.978 (0.944–0.991)

Inter-observer

0.05

−1.16–1.26

0.977 (0.939–0.991)

GLS

Intra-observer

−0.25

−1.50–1.00

0.970 (0.923–0.988)

Inter-observer

0.03

−0.85–0.91

0.960 (0.902–0.984)

  1. GRS, global radial strain; GCS, global circumferential strain; GLS, global longitudinal strain.
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