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Table 1 Group differences: patient characteristics and operative data

From: Aortic arch obstruction neonates with biventricular physiology: left-open compared to closed inter-atrial communication during primary repair – a retrospective study

  Group-I (IAC-closed) Group-II (IAC-open)  
  N % or Mean ± SD N % or Mean ± SD p
Aristotle basic score 37 11.0 ± 2.5 16 11.0 ± 3.5 0.92
Aristotle comprehensive score 37 13.4 ± 4.1 16 14.3 ± 4.9 0.46
Age (days) 37 8.6 ± 4.4 16 9.6 ± 6.6 0.59
Weight (kg) 37 3.2 ± 0.5 16 3.2 ± 0.5 0.75
Gender-male 29 78 8 50 0.054
Aortic arch hypoplasia 30 81 15 93 0.41
Aortic arch interruption 7 19 1 6 0.41
VSD (all) 27 73 8 50 0.11
VSD (large) 23 62 5 31 0.038
Intact ventricular septum 14 38 11 69 0.038
Transposition of great arteries 8 22 2 13 0.70
- Taussig-Bing 1 3 1 6 0.52
- D-Transposition 6 16 1 6 0.66
- L-Transposition 1 3 0 0 1
LVOTO 4 11 6 38 0.050
Selective myocardial perfusion 16 43 5 31 0.41
(min) 37 19 ± 22 16 13 ± 20 0.49
Antegrade cerebral perfusion 30 81 13 81 1
(min) 37 33 ± 29 16 35 ± 31 0.85
DHCA 11 30 5 31 1
(min) 37 7 ± 12 16 6 ± 8 0.59
CPB (min) 37 177 ± 66 16 213 ± 147 0.88
X-clamp (min) 37 65 ± 38 16 80 ± 74 0.70
Arterial switch operation 7 19 2 13 0.66
VSD-closure 23 62 5 31 0.038
Aortic valve repair 1 3 2 13 0.21
  1. CPB: cardiopulmonary bypass; DHCA: deep hypothermic circulatory arrest; LVOTO: left ventricular outflow tract obstruction; SD: standard deviation; VSD: ventricular septal defect X-clamp: aortic cross-clamp.