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Table 4 Inter- and intra-observer variability by intraclass correlation coefficient

From: A comparison of both DENSE and feature tracking techniques with tagging for the cardiovascular magnetic resonance assessment of myocardial strain

Technique

Intra-observer

Inter-observer

ICC

p value

ICC

p value

Tagging

 Ecc

0.982

< 0.001

0.909

< 0.001

 Err

0.936

< 0.001

0.307

0.277

 Ell

0.835

0.002

0.700

0.029

DENSE

 Ecc

0.961

< 0.001

0.973

< 0.001

 Err

0.948

< 0.001

0.644

0.027

 Ell

0.761

0.004

0.476

0.122

FT-Tomtec

 Ecc

0.993

< 0.001

0.992

< 0.001

 Err

0.950

< 0.001

0.993

0.000

 Ell

0.938

< 0.001

0.921

< 0.001

FT-CIM

 Ecc

0.935

< 0.001

0.955

< 0.001

 Err

0.864

< 0.001

0.963

< 0.001

 Ell

0.944

< 0.001

0.987

0.000

FT-Circle

 Ecc

0.947

< 0.001

0.865

0.002

 Err

0.849

0.003

0.762

0.018

 Ell

0.910

< 0.001

0.948

< 0.001

  1. Abbreviations: Ecc circumferential strain, Err radial strain, Ell longitudinal strain, ICC intraclass correlation coefficient
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Journal of Cardiovascular Magnetic Resonance

ISSN: 1532-429X

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