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Table 1 Patient characteristics
| all (n = 494) | neonates (n = 96) | infants and children (n = 398) | P | |
|---|---|---|---|---|
| Age in months | 12.2 (0.0-218.4) | 0.2 (0.0-0.9) | 24.4 (1.1 months to 18 years) | < 0.0001 |
| cardiopulmonary bypass in min | 65 (24-264) | 50 (33-165) | 71 (24-264) | < 0.0001 |
| cardiocirculatory arrest used in | 352 (71.3%) | 96 (100%) | 256 (64.3%) | |
| duration if cardiocirculatory arrest was used in min | 59 (14-158) | 59 (21-127) | 58 (14-158) | 0.01 |
| aortic clamping time in min | 61 (2-177) | 62 (23-125) | 61 (2-177) | 0.05 |
| Male | 291 (58.9%) | 67 (70.0%) | 224 (56.3%) | 0.04 |
| repair of atrial septal defect | 213 (43.1%) | 87 (90.6%) | 126 (31.7%) | < 0.0001 |
| repair of isolated atrial septal defect of secundum type | 56 (11.3%) | 2 (2.1%) | 54 (13.6%) | 0.07 |
| repair of incomplete atrioventricular septal defect | 31 (6.3%) | 1 (1.0%) | 30 (7.5%) | 0.3 |
| Repair of complete atrioventricular septal defect | 26 (5.3%) | 0 | 26 (6.5%) | |
| repair of ventricular septal defect (all types) | 189 (38.3) | 21 (21.9%) | 168 (42.2%) | 0.002 |
| repair of isolated subarterial ventricular septal defect | 51 (10.3%) | 0 | 51 (12.8%) | |
| repair of tetralogy of Fallot | 69 (13.0%) | 1 (1.0%) | 68 (17.1%) | 0.01 |
| right ventricular outflow tract surgery | 107 (21.7%) | 1 (1.0%) | 106 (26.6%) | < 0.0001 |
| repair of subaortic stenosis | 13 (2.6%) | 0 | 13 (3.3%) | |
| repair of total anomalous pulmonary venous return | 13 (2.6%) | 2 (2.1%) | 11 (2.8%) | 0.9 |
| Fontan operation and its modifications * | 25 (5.1%) | 0 | 25 (6.3%) | |
| arterial switch operation | 89 (18.0%) | 85 (88.5%) | 4 (1.0) | < 0.0001 |
| miscellaneous operations | 102 (20.6%) | 7 (7.3%) | 95 (23.9%) | 0.009 |
