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Table 4 Intra- and inter-observer reproducibility of regional (segmental) strain per software method

From: Feature tracking CMR reveals abnormal strain in preclinical arrhythmogenic right ventricular dysplasia/ cardiomyopathy: a multisoftware feasibility and clinical implementation study

 

Intra-Observer ICC

Inter-Observer ICC

Subtricuspid Region

 MEDIS

0.928

0.896

 TOMTEC

0.816

0.538

 MTT

0.696

0.519

 CIRCLE

0.980

0.719

Anterior Wall Region

 MEDIS

0.954

0.792

 TOMTEC

0.699

0.864

 MTT

0.806

0.677

 CIRCLE

0.969

0.783

Apical Region

 MEDIS

0.909

0.807

 TOMTEC

0.790

0.861

 MTT

0.787

0.472

 CIRCLE

0.944

0.577

  1. An ICC ≥0.75 was considered excellent, an ICC between <0.75 and ≥0.40 moderate, and an ICC <0.40 poor. Abbreviations: MTT = Multimodality Tissue Tracking; ICC = Intraclass Correlation Coefficient