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Table 3 Interobserver variability for flow measurements using time-resolved 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

37 ± 65 (5 ± 8%)

0 ± 64 (0 ± 9%)

175 ± 87 (26 ± 9%)

175 ± 80 (26 ± 8%)

Descending aorta MOG

35 ± 62 (4 ± 8%)

−3 ± 80 (0 ± 9%)

198 ± 99 (28 ± 10%)

201 ± 111 (28 ± 10%)

Umbilical vein DUS

16 ± 98 (4 ± 20%)

2 ± 84 (−2 ± 23%)

69 ± 71 (17 ± 14%)

67 ± 43 (19 ± 14%)

Umbilical vein MOG

26 ± 71 (4 ± 21%)

−9 ± 48 (−3 ± 13%)

75 ± 61 (18 ± 19%)

85 ± 71 (20 ± 15%)

  1. DUS Doppler ultrasound, MOG Metric Optimized Gating