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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