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Table 3 Peak exercise and geometrical measurements and aortic distensibility of the 3 study groups

From: Aortic arch shape is not associated with hypertensive response to exercise in patients with repaired congenital heart diseases

Variables   P values
  Control ASO CoA Control/ Control/ ASO/
  (n = 20) (n = 20) (n = 20) ASO CoA CoA
VO2 Max (ml/Kg/min ) 38.9 ± 8.3 37.3 ± 8.8 33.9 ± 8.0 0.532 0.063 0.210
Peak heart rate (bpm) 180 ± 17 174 ± 16 168 ± 22 0.323 0.044 0.295
Peak diastolic BP (mmHg) 64 ± 9 64 ± 10 69 ± 11 0.891 0.135 0.173
Peak systolic BP (mmHg) 153 ± 20 146 ± 20 180 ± 32 0.360 0.001* <0.001*
iCurvature [(1/mm)/m2] 0.03 ± 0.01 0.05 ± 0.01 0.05 ± 0.01 <0.001* <0.001* 1.000
Curvature [(1/mm] 0.05 ± 0.01 0.07 ± 0.01 0.08 ± 0.03 <0.001* <0.001* 0.277
iTransverse arch (mm2/m2) 157.5 ± 27.2 221.3 ± 44.6 117.8 ± 47.7 <0.001* 0.003* <0.001*
iIsthmus (mm2/m2) 142.5 ± 33.7 186.4 ± 25.9 133.0 ± 68.6 <0.001* 0.721 <0.001*
Descending aortic (mm2/m2) 115.7 ± 22.6 136.6 ± 24.2 143.5 ± 49.0 0.058 0.038* 0.525
Transverse/descending ratio 1.29 ± 0.78 1.40 ± 0.10 0.98 ± 0.23 0.177 <0.001* <0.001*
Isthmus/descending ratio 1.09 ± 0.52 1.20 ± 0.11 0.97 ± 0.19 0.001* 0.006* <0.001*
Distensibility (×10-3 1/mmHg) 6.7 ± 3.7 2.1 ± 1.9 3.6 ± 3.2 <0.001* 0.003* 1.220
  1. iCurvature (indexed curvature), iIsthimus (Indexed Isthmus cross sectional area), iTransverse (Indexed Transverse cross sectional area) BP (blood pressure), Values expressed as mean ± standard deviation, * indicates significant p value.