Skip to main content

Table 3 Inter-observer variability of three-dimensional echocardiography

From: Quantification of right ventricular volume in dogs: a comparative study between three-dimensional echocardiography and computed tomography with the reference method magnetic resonance imaging

Variable

First observer (ml)

Second observer (ml)

Relative difference (%)

Group comparison (P-Values)

Correlation coefficient (R)

EDV

25.64

28.61

10.94

0.160

0.71

ESV

13.38

15.20

12.74

0.027a

0.83

SV

12.22

13.42

9.40

0.556

0.26

EF

48.47

47.99

1.00

0.695

0.58

  1. Comparison of right ventricular function parameters measured with three-dimensional echocardiography by two different observers (end-diastolic volume = EDV, end-systolic volume = ESV, ejection fraction = EF, stroke volume = SV).
  2. aSignificant differences (p < 0.05).