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Table 4 Reproducibility of the global strains (GLS, GRS and GCS) derived from two methods (DRA and FT) using intraclass correlation coefficient analysis

From: Quantification of myocardial strain in patients with isolated left ventricular non-compaction and healthy subjects using deformable registration algorithm: comparison with feature tracking

  Controls iLVNC
DRA FT DRA FT
GRS
 inter 0.996a 0.394 0.999a 0.716
 intra 0.996a 0.509 0.996a 0.785a
GCS
 inter 0.934a 0.891a 0.996a 0.986a
 intra 0.958a 0.843a 0.995a 0.982a
GLS
 inter 0.982a 0.891a 0.995a 0.976a
 intra 0.977a 0.879a 0.997a 0.980a
  1. intra Intra-observer agreement, inter Inter-observer agreement
  2. a Intraclass correlation coefficient>75%