Table 1.
Survival for neonates, infants, all children under 1 year, and children between 1 year and 16 years undergoing surgery or therapeutic catheterisation
| Age | No of procedures | % survival at 30 days (99% CI) | % survival at 1 year (99% CI) |
|---|---|---|---|
|
All surgery (bypass and non-bypass)
|
|
|
|
| All ages | 3666 | 94.9 (94.5 to 95.1) | 91.2 (90.6 to 91.5) |
| Neonate and infant: | 2073 | 93.1 (92.4 to 93.4) | 87.7 (85.2 to 89.8) |
| Neonate | 780 | 90.9 (89.4 to 91.5) | 86.1 (84.1 to 87.2) |
| Infant | 1293 | 94.5 (93.6 to 94.7) | 88.7 (87.4 to 89.4) |
| Child | 1561 | 97.7 (97.0 to 97.7) | 96.1 (95.4 to 96.2) |
| Bypass surgery | |||
| All ages | 2664 | 94.7 (94.2 to 94.9) | 91.8 (91.1 to 92.1) |
| Neonate and infant: | 1292 | 92.1 (91.1 to 92.5) | 87.8 (84.6 to 90.3) |
| Neonate | 383 | 87.1 (84.3 to 88.4) | 82.8 (79.4 to 84.8) |
| Infant | 909 | 94.4 (93.3 to 94.7) | 90.0 (88.4 to 90.6) |
| Child | 1353 | 97.5 (96.8 to 97.5) | 96.0 (95.1 to 96.1) |
| Non-bypass surgery | |||
| All ages | 1002 | 95.5 (94.6 to 95.7) | 89.7 (88.3 to 90.4) |
| Neonate and infant: | 781 | 94.6 (93.4 to 94.9) | 87.6 (83.4 to 90.8) |
| Neonate | 397 | 94.7 (92.5 to 95.0) | 89.3 (86.5 to 90.3) |
| Infant | 384 | 94.6 (92.5 to 94.9) | 85.9 (82.7 to 87.3) |
| Child | 208 | 98.8 (95.0 to 98.8) | 97.4 (93.2 to 97.5) |
| Catheter intervention | |||
| All ages | 1828 | 99.1 (98.7 to 99.1) | 98.1 (97.6 to 98.1) |
| Neonate and infant: | 472 | 98.3 (96.7 to 98.3) | 96.1 (92.5 to 97.9) |
| Neonate | 178 | 98.8 (94.9 to 98.8) | 97.3 (93.0 to 97.4) |
| Infant | 294 | 98.0 (95.4 to 98.0) | 95.3 (92.4 to 95.6) |
| Child | 1320 | 99.4 (98.8 to 99.4) | 98.8 (98.1 to 98.7) |
Survival is calculated based only on cases where follow up reaches 30 days or one year and no further intervention has taken place. The Wilson score method was used to calculate 99% confidence intervals for survival.