Skip to main content

Table 2 Reproducibility and temporal variability of flow patterns

From: Left atrial 4D flow cardiovascular magnetic resonance: a reproducibility study in sinus rhythm and atrial fibrillation

  Scan (N = 84) Same-day rescan (N = 84) p value Scan (N = 74) Interval scan (N = 74) p value
Systolic patterns       
 LA vortex pattern 56 (67) 54 (64) 0.500 50 (68) 51 (69) > 0.999
 LA short-range vortex 18 (21) 19 (24) > 0.999 16 (22) 15 (20) > 0.999
 Others 10 (12) 11 (13) > 0.999 8 (11) 8 (11) > 0.999
Diastolic patterns       
 LA vortex pattern 46 (55) 46 (55) > 0.999 37 (50) 41 (55) 0.454
 LA short-range vortex 11 (13) 10 (12) > 0.999 11 (15) 9 (12) 0.625
 Others 27 (31) 28 (33) > 0.999 26 (35) 24 (32) 0.815
  1. Data presented as N (%). p values refer to paired comparison of proportions by McNemar’s test