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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