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Table 5 Inter and intra-observer analyses for LA strain and strain rate

From: Evaluation of left atrial function in patients with iron-deficiency anemia by two-dimensional speckle tracking echocardiography

  Intra-observer Inter-observer
R bias(%) LOA(%) ICC R bias(%) LOA(%) ICC
GLSs 0.80 2.39 −5.48 ~ 6.75 0.853 0.82 2.29 −6.18 ~ 4.97 0.875
GLSRs 0.85 1.28 −4.42 ~ 2.95 0.901 0.84 1.19 −5.54 ~ 4.69 0.885
GLSRe 0.81 2.14 −6.58 ~ 5.10 0.867 0.79 2.75 −8.42 ~ 3.13 0.821
GLSRa 0.90 0.65 −1.04 ~ 2.35 0.969 0.96 0.59 −0.13 ~ 1.87 0.993
  1. R coefficient of determination, LOA limit of agreement, ICC intra-class correlation coefficient