Table 2.

Interobserver and intraobserver variability for measurements of transoesophageal echocardiographic data

Measurements	Interobserver correlation coefficient	95% confidence interval	Intraobserver correlation coefficient	95% confidence interval
2D-LVEF	0.910	0.742–0.966	0.903	0.802–0.955
3D-LVEF	0.832	0.621–0.946	0.870	0.615–0.988
PGLS	0.876	0.579–0.928	0.879	0.661–0.922
Vp	0.762	0.538–0.955	0.811	0.507–0.954

2D-LVEF two-dimensional left ventricular ejection fraction, 3D-LVEF three-dimensional left ventricular ejection fraction, PGLS peak global longitudinal strain, Vp transmitral flow propagation velocity