From: Visually estimated ejection fraction by two dimensional and triplane echocardiography is closely correlated with quantitative ejection fraction by real-time three dimensional echocardiography
Mean difference ± SD
Limit of agreement
Correlation (r)
SEE
3D-EF minus Eyeballing BP
-0.5 ± 3.7
-7.9 to 6.9
0.91
3.71
3D-EF minus Eyeballing TP
-0.2 ± 2.9
-6 to 5.6
0.95
2.90
Eyeballing BP minus Eyeballing TP
0.3 ± 3.5
-6.7 to 7.3
0.92
3.31