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Fig. 9 | Journal of Cardiovascular Magnetic Resonance

Fig. 9

From: Quantification of blood flow in the fetus with cardiovascular magnetic resonance imaging using Doppler ultrasound gating: validation against metric optimized gating

Fig. 9

Intracenter interobserver measurements by time-resolved delineations. Interobserver variability was low in one center but showed high bias in the other center, suggesting that consensus for how to delineate fetal vessels is needed. Bland-Altman plots showing interobserver measurements between observer 1 and 2 (same center) and 3 and 4 (same center) using time-resolved delineations of the fetal descending aorta (DAo) and umbilical vein (UV) using the Doppler-ultrasound (DUS; left) and metric optimized gating (MOG; right) methods. Solid lines indicate bias and dotted lines indicate 95% limits of agreement (LoA)

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