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Table 4 Comparison between Ebstein anomaly patient groups with different ECV

From: Cardiovascular magnetic resonance evidence of myocardial fibrosis and its clinical significance in adolescent and adult patients with Ebstein’s anomaly

  ECV ≥ 30%(N = 20) ECV < 30%(N = 24) P
Age, yrs 34.9 ± 15.7 32.6 ± 16.7 0.648
Male (n, %) 6 (30.0) 12 (50.0) 0.227
Heart rate, bpm 83.6 ± 11.0 83.0 ± 14.0 0.852
BMI, kg/m2 21.2 ± 4.3 22.2 ± 5.2 0.488
NYHA classification 2.1 ± 0.4 1.7 ± 0.6 0.020
SO2 at rest, % 96.2 ± 2.6 97.0 ± 2.8 0.411
Severe tricuspid regurgitation (n, %) 18 (90.0) 14 (58.3) 0.019
ASD/PFO (n, %) 15 (75.0) 14 (58.3) 0.342
W-P-W (n, %) 3 (15.0) 3 (12.5) 0.329
Hematocrit, % 40.0 ± 4.3 44.7 ± 4.5 0.001
QRS width, ms 113.2 ± 17.3 114.1 ± 14.9 0.862
LV EDV index, ml/m2 67.7 [26.0] 70.3 [13.2] 0.671
LV ESV index, ml/m2 35.6 [18.7] 31.0 [7.1] 0.259
LV EF, % 48.0 ± 8.3 56.7 ± 4.7 < 0.001
fRV EDV index, ml/m2 168.1 [77.7] 121.4 [56.8] 0.026
fRV ESV index, ml/m2 100.0 [53.7] 63.6 [29.3] 0.011
fRV EF, % 38.4 ± 12.3 46.2 ± 11.0 0.117
aRV EDV index, ml/m2 89.0 ± 58.4 59.1 ± 39.7 0.051
Total R/L-Volume-Index 5.8 ± 2.8 3.1 ± 1.4 < 0.001
SI 1.13 ± 0.4 0.86 ± 0.4 0.036
  1. Abbreviations: ECV extracellular volume; BMI body mass index; NYHA New York Heart Association; ASD atrial septal defect; PFO patent foramen ovale; W-P-W Wolff-Parkinson-White; LV left ventricle; EDV end diastolic volume; ESV end systolic volume; EF ejection fraction; fRV functional right ventricle; aRV atrialized right ventricle; Total R/L-Volume-Index, total right/left volume index; SI severity index