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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