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Table 4 Pre- and postoperative cardiopulmonary exercise test data (N = 10)

From: Impact of the cone operation on left ventricular size, function, and dyssynchrony in Ebstein anomaly: a cardiovascular magnetic resonance study

  Preoperative Postoperative P-value
Age (years) 16 (7–42) 17 (9–42) < 0.001
BMI (kg/m2) 21 ± 5 21 ± 9 0.87
Maximum oxygen consumption (% predicted) 77 ± 16 81 ± 14 0.44
Oxygen pulse (% predicted) 84 ± 17 87 ± 23 0.67
VE/VCO2 slope 30 ± 5 28 ± 4 0.35
RER 1.2 ± 0.1 1.2 ± 0.1 0.09
Peak heart rate (% predicted) 92 ± 10 89 ± 12 0.47
  1. Values are median (range) or mean ± standard deviation. BMI = body mass index; VE/VCO2 = minute ventilation/carbon dioxide production; RER = respiratory exchange ratio