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Table 5 Inter and intra-observer analyses for RV strain

From: Early changes in right ventricular longitudinal function in chronic asymptomatic alcoholics revealed by two-dimensional speckle tracking echocardiography

  Intra-observer Inter-observer
R bias (%) LOA (%) ICC R bias (%) LOA (%) ICC
P 0.86 0.93 −1.26 ~ 2.24 0.960 0.84 0.81 −1.79 ~ 2.89 0.949
S 0.76 −3.37 −9.56 ~ 6.24 0.824 0.84 −3.19 −10.79 ~ 4.89 0.830
SRs 0.89 0.65 −1.13 ~ 2.15 0.973 0.90 0.59 −1.09 ~ 2.05 0.986
SRe 0.80 2.23 −6.14 ~ 5.23 0.866 0.78 2.72 −8.76 ~ 2.21 0.825
SRa 0.74 3.67 −11.88 ~ 8.70 0.810 0.76 3.98 −12.69 ~ 9.22 0.805
  1. R, coefficient of determination, LOA limit of agreement, ICC intra-class correlation coefficient