Skip to main content

Advertisement

Springer Nature is making SARS-CoV-2 and COVID-19 research free. View research | View latest news | Sign up for updates

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

VesselObserver 1 vs 2Observer 1 vs 3Observer 1 vs 4Observer 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 DUS4 ± 66 (2 ± 16%)−30 ± 69 (−9 ± 23%)24 ± 83 (6 ± 19%)53 ± 61 (15 ± 20%)
Umbilical vein MOG17 ± 86 (2 ± 22%)7 ± 88 (2 ± 21%)45 ± 88 (13 ± 24%)38 ± 64 (11 ± 19%)
  1. DUS Doppler ultrasound, MOG Metric Optimized Gating