Table 4 Variability.

From: A novel echocardiographic method closely agrees with cardiac magnetic resonance in the assessment of left ventricular function in infarcted mice

  Inter-observer variability, % Intra-observer variability, %
EDV
ECHO LAX SHAM 2.3 ± 5.9 0.9 ± 2.0
ECHO SAX SHAM −4.2 ± 1.4 0.2 ± 2.0
CMR SHAM −0.2 ± 2.6 2.3 ± 1.5
ESV
ECHO LAX SHAM −4.4 ± 6.2 0.6 ± 3.9
ECHO SAX SHAM −0.1 ± 8.9 −0.5 ± 2.2
CMR SHAM −6.2 ± 8.0 1.9 ± 3.5
LVEF
ECHO LAX SHAM 0.2 ± 6.6 0.7 ± 2.6
ECHO SAX SHAM 0.4 ± 3.6 0.8 ± 2.4
CMR SHAM 2.9 ± 3.7 −0.8 ± 3.3
EDV
ECHO LAX CAL 0.3 ± 3.1 0.1 ± 4.4
ECHO SAX CAL 3.1 ± 3.7 1.9 ± 2.4
CMR CAL 3.7 ± 3.15 1.3 ± 3.2
ESV
ECHO LAX CAL 1.2 ± 2.5 −0.4 ± 6.8
ECHO SAX CAL 1.8 ± 6.5 1.0 ± 3.9
CMR CAL 3.1 ± 5.4 3.1 ± 3.4
LVEF
ECHO LAX CAL 2.9 ± 7.5 0.2 ± 4.7
ECHO SAX CAL 0.28 ± 8.2 2.6 ± 6.6
CMR CAL 2.0 ± 6.7 2.1 ± 5.5
  1. Inter-observer and intra-observer variability in ECHO pLAX, ECHO pSAX and CMR for left ventricular parameters studied.