Mean Difference ± SD | p Value versus 0 | 95% CI | Regression Equation | r | SEE | |
---|---|---|---|---|---|---|

Comparison of the Semi-Automatic Algorithm With Manual Tracing Using RT-3DE | ||||||

EDV (ml) | −1.3 ± 8.6 | NS | −18.5 to 15.9 | >y = 1.0x − 1.6 | 0.99 | 8.8 |

ESV (ml) | −0.2 ± 5.4 | NS | −11.0 to 10.6 | y = 1.0x − 1.3 | 0.99 | 5.2 |

EF (%) | −0.1 ± 2.7 | NS | −5.5 to 5.3 | y = 0.98x + 0.5 | 0.98 | 2.8 |

Comparison of RT-3DE and Semi-Automatic Border Detection With CMRI | ||||||

EDV (ml) | −13.6 ± 18.9 | 0.002 | −51.4 to 24.2 | y = 0.93x + 1.3 | 0.98 | 17.8 |

ESV (ml) | −12.8 ± 20.5 | 0.005 | −53.8 to 28.8 | y = 0.90x + 0.4 | 0.98 | 18.3 |

EF (%) | 0.9 ± 4.4 | NS | −9.7 to 7.9 | y = 0.91x + 4.7 | 0.98 | 4.0 |

CI = confidence interval; CMRI = cardiac magnetic resonance imaging; EDV = end-diastolic volume; ESV = end-systolic volume; EF = ejection fraction; NS = not significant; RT-3DE = real-time three-dimensional echocardiography; SD = standard deviation; SEE = standard error of the estimate.