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Mean differences and limit of agreement (mean ± SD) for EF determination by the different methods.
| 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 |
SEE: standard error of estimate.
