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Table 4 Reproducibility of the LA strain and function analysis by CMR-FT

From: Diagnostic accuracy of left atrial function and strain for differentiating between acute and chronic myocardial infarction

 

Intra-observer

Inter-observer

ICC

95% CI

ICC

95% CI

εs, %

0.970

0.783–0.997

0.891

0.447–0.988

εe, %

0.962

0.882–0.988

0.837

0.560–0.947

εa, %

0.959

0.867–0.987

0.883

0.646–0.962

SRs, s-1

0.946

0.840–0.982

0.859

0.578–0.954

SRe, s-1

0.947

0.846–0.982

0.850

0.290–0.959

SRa, s-1

0.949

0.857–0.984

0.846

0.310–0.975

Vmax, ml

0.981

0.942–0.994

0.945

0.832–0.983

Vpac, ml

0.963

0.891–0.988

0.943

0.643–0.994

Vmin, ml

0.972

0.913–0.991

0.937

0.539–0.993

EFtotal, %

0.979

0.937–0.994

0.911

0.718–0.973

EFpassive

0.973

0.917–0.991

0.897

0.714–0.942

EFbooster

0.972

0.908–0.991

0.921

0.765–0.975

  1. LA, left atrial; ICC = intraclass correlation coefficient; CI, confidence interval
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BMC Cardiovascular Disorders

ISSN: 1471-2261

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