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Table 1 Comparison of LV-METRIC to manual tracing

From: Rapid automated quantification of left ventricular ejection fraction with LV-METRIC – a novel segmentation algorithm

  Manual tracing LV-METRIC (PV interpolation) Δ LV-METRIC (no PV interpolation) Δ
Ejection fraction 57.1 ± 17.0 59.1 ± 17.4 -2.0 ± 2.3 56.5 ± 16.7 0.6 ± 2.3
End-diastolic volume (ml) 157.8 ± 67.9 132.1 ± 60.5 25.7 ± 10.9 153.8 ± 65.9 4.0 ± 6.8
End-systolic volume (ml) 75.1 ± 62.7 60.9 ± 55 14.3 ± 9.6 73.7 ± 60 1.4 ± 5.5
Stroke volume (ml) 82.6 ± 26.8 71.2 ± 24.1 11.4 ± 6.6 80 ± 26.9 2.6 ± 5.3
Processing time (minutes) 5:18 ± 1:56 0:22 ± 0:13 4:37 ± 1:51