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Table 3 Comparison between cases with and without arrhythmias in clinical, Echocardiographic and MRI findings

From: Arrhythmias in repaired pediatric and adolescent Fallot tetralogy, correlation with cardiac MRI parameters

  Cases with arrhythmias (18 cases) mean ± SD (range) Cases without arrhythmias (14 cases) mean ± SD (range) p value
Age (year) 14.82 ± 2.6 10.87 ± 2.95 0.001*
Mo 177.88 ± 31.24 130.40 ± 35.385  
Age at surgery (mo) 35 ± 21 32.47 ± 23.04 0.7
Duration post operatively (mo) 142.71 ± 33.11 97.93 ± 36.52 0.001*
Weight centile 37 ± 25.87 22.57 ± 17.18 0.08
Height centile 35.53 ± 28.05 27.79 ± 25.22 0.4
Na 135.29 ± 7.5 140.13 ± 5.92 0.18
K 4.13 ± 0.5 4.38 ± 0.6 0.39
Hb 11.58 ± 1.40 12.57 ± 0.94 0.06
WBCs 6.57 ± 1.89 11.59 ± 11.56 0.11
Platelets 279.20 ± 83.022 335.1 ± 92.1 0.12
QRS duration (msec) 117.6 ± 22.2 117.6 ± 24 0.95
Echocardiographic findings
LVEDD (mm) 32.62 ± 16.03 32.76 ± 9.53 0.9
FS % 38 ± 9.39 37.52 ± 7.13 0.88
MRI findings
RVEF (%) 49.88 ± 6.86 54 ± 8.85 0.16
RVEDVI (ml/m2) 153.18 ± 48.94 165.73 ± 73.31 0.56
RVESVI (ml/m2) 85.1 ± 39.1 71.6 ± 21.2 0.4
LVEDVI (ml/m2) 91.98 ± 56.7 79 ± 36.3 0.47
LVEF (%) 56.82 ± 4.75 60.5 ± 5.91 0.06
RVEDVI/LVEDVI 1.9 ± 0.3 1.85 ± 0.3 0.57
PR fraction (%) 41.44 ± 13.05 44.6 ± 13.34 0.5
  1. FS fractional shortening, LVEDD left ventricular end diastolic diameter, RVEF right ventricular ejection fraction, RVEDI right ventricular end diastolic volume index, LVEDV left ventricular end diastolic volume, LVEF left ventricular ejection fraction, PR fraction pulmonary regurgitation fraction
  2. *p Value is significant if less than 0.05