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Table 5 Inter- and intra-observer variability of strain by the ICC analysis

From: Diastolic dysfunction assessed by cardiac magnetic resonance imaging tissue tracking on normal-thickness wall segments in hypertrophic cardiomyopathy

 

Inter-observer

Intra-observer

ICC

95% CI

ICC

95% CI

Radial PS (%)

0.948

0.927–0.965

0.961

0.927–0.978

Circumferential PS (%)

0.963

0.920–0.975

0.967

0.945–0.981

Longitudinal PS (%)

0.935

0.907–0.954

0.955

0.934–0.964

Radial PSSR (1/s)

0.869

0.843–0.891

0.878

0.849–0.896

Circumferential PSSR (1/s)

0.883

0.853–0.914

0.898

0.866–0.911

Longitudinal PSSR (1/s)

0.848

0.835–0.876

0.862

0.843–0.886

Radial PDSR (1/s)

0.891

0.875–0.914

0.889

0.843–0.902

Circumferential PDSR (1/s)

0.894

0.866–0.917

0.906

0.858–0.916

Longitudinal PDSR(1/s)

0.859

0.846–0.887

0.881

0.867–0.896

  1. ICC, intraclass correlation coefficient, CI, confidence interval, PS, peak strain; PDSR, peak diastolic strain rate; PSSR, peak systolic strain rate
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BMC Medical Imaging

ISSN: 1471-2342

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