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. 1980 Sep;44(3):284–289. doi: 10.1136/hrt.44.3.284

Serial measurements of left ventricular dimensions by echocardiography. Assessment of week-to-week, inter- and intraobserver variability in normal subjects and patients with valvular heart disease.

G O Ladipo, F G Dunn, T H Pringle, B Bastian, T D Lawrie
PMCID: PMC482399  PMID: 7426186

Abstract

The week-to-week, inter- and intraobserver variation in left ventricular echocardiographic measurements has been studied in 10 normal male volunteers and in five patients with stable valvular disease. A two-way analysis of variance showed no statistically significant variation either from week to week or between observers. Furthermore the within observer variation was minimal. Calculation of the coefficient of variation allowed confidence limits to be applied to each of the six ventricular measurements, thus providing ranges of variation in follow-up studies using M-mode echocardiography.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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