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Table 2 Baseline right atrial (RA) parameters overall, in AF cases and those who did not develop AF

From: Association of right atrial structure with incident atrial fibrillation: a longitudinal cohort cardiovascular magnetic resonance study from the Multi-Ethnic Study of Atherosclerosis (MESA)

RA Parameter (mean ± SD)Developed AF
(n = 368)
No AF
(n = 2779)
P-value
RA maximum volume indexed (mL/m2)23.7 ± 9.222.4 ± 8.00.002
RA minimum volume indexed (mL/m2)13.2 ± 6.712.1 ± 5.8< 0.001
RA total EF %44.8 ± 15.246.6 ± 15.10.02
RA global strain %34.0 ± 17.336.2 ± 19.2< 0.001
RA free-wall strain %39.9 ± 22.742.3 ± 25.90.049
  1. Volume indexed to ml/m2 BSA
  2. EF emptying fraction, SD standard deviation, HR hazards ratio, CI confidence intervals