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Table 4 Interobserver variability for flow measurements using static delineations. Data are presented as mean interobserver differences ± SD in ml/min and percent of average flow

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

Vessel

Observer 1 vs 2

Observer 1 vs 3

Observer 1 vs 4

Observer 3 vs 4

Descending aorta DUS

−17 ± 66 (−2 ± 11%)

−43 ± 55 (−5 ± 7%)

98 ± 107 (15 ± 17%)

142 ± 125 (21 ± 17%)

Descending aorta MOG

−13 ± 64 (−2 ± 8%)

−85 ± 88 (−10 ± 9%)

63 ± 114 (9 ± 14%)

148 ± 152 (20 ± 16%)

Umbilical vein DUS

4 ± 66 (2 ± 16%)

−30 ± 69 (−9 ± 23%)

24 ± 83 (6 ± 19%)

53 ± 61 (15 ± 20%)

Umbilical vein MOG

17 ± 86 (2 ± 22%)

7 ± 88 (2 ± 21%)

45 ± 88 (13 ± 24%)

38 ± 64 (11 ± 19%)

  1. DUS Doppler ultrasound, MOG Metric Optimized Gating