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Table 4 Intra- and Inter-observer variability of the two-dimensional echocardiography

From: Early detection of left atrial dysfunction in young hypertensive patients with a normal left atrial size: a comprehensive analysis using four-dimensional auto left atrial quantification echocardiography

Variables

Intra-observer

Inter-observer

ICC

95% CIs

ICC

95% CIs

LAD

0.842

0.436–0.952

0.863

0.528–0.958

IVSD

0.858

0.448–0.970

0.902

0.557–0.984

LVPWD

0.89

0.450–0.978

0.896

0.551–0.981

LVEDD

0.933

0.705–0.986

0.916

0.619–0.986

LVESD

0.921

0.657–0.984

0.872

0.543–0.964

LVEF

0.939

0.730–0.988

0.838

0.458–0.912

E/A

0.961

0.821–0.992

0.942

0.816–0.993

Average E/e’

0.921

0.658–0.984

0.912

0.572–0.973

LAVI

0.835

0.381–0.965

0.861

0.512–0.953

  1. ICC, intra-class correlation coefficient; CIs, confidence intervals. LAD, left atrial diameter; IVSD, inter ventricular septal diameter; LVPWD, left ventricular posterior wall diameter; LVEDD, left ventricular end-diastolic diameter; LVESD, left ventricular end-systolic diameter; LVEF, left ventricular ejection fraction; E/A, the ratio of early peak diastolic velocity to late peak diastolic velocity of mitral valve orifice; Average E/e’, the ratio of E to average e’; LAVI, left atrial volume index
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BMC Cardiovascular Disorders

ISSN: 1471-2261

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