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Table 3 Comparison of left ventricular and left atrial dimensions between asymptomatic and symptomatic HCM patients.

From: CMR findings in patients with hypertrophic cardiomyopathy and atrial fibrillation

  Asymptomatic HCM (n = 41) Symptomatic HCM (n = 46) p-value
Atrial fibrillation 17 (41%) 20(43%) 0.68
   None 24(59%) 26(57%) 0.97
   Paroxysmal 15(37%) 12(26%) 0.41
   Persistent 2(5%) 8(17%) 0.13
LV ejection fraction (%) 60 ± 10 58 ± 9.5 0.32
LV mass (gr·m-2) 99 ± 30 97 ± 34 0.84
LV end systolic volume (ml·m-2) 29 ± 13 37 ± 13 0.04
LA volume (ml·m-2) 48 ± 21 59 ± 23 0.03
Extent of LGE (%) 6.0 ± 9.0 11 ± 13 0.03
  1. Data are presented as ± standard deviation. Volumes are indexed to body surface area. HCM = hypertrophic cardiomyopathy patients, LA = left atrial. LGE = late gadolinium enhancement, LV = left ventricular