Table 2.
Comparison of mortality rates between the PRE and POST eras by case urgency, age groups, and RACHS-1 categories.
| Data | PRE era (n= 2,429) |
POST era (n=1,868) |
P -value |
|---|---|---|---|
| Elective cases mortality (%) | 69/1688 (3.9%) | 18/1055 (1.7%) | 0.0007 |
| Urgent cases mortality (%) | 111/671 (16.5%) | 78/813 (9.6%) | < 0.0001 |
| Age mortality | 1823 | 1572 | |
| Neonates | 46/177 (26%) | 27/181 (14.9%) | 0.01 |
| Infants | 50/551 (9.1%) | 32/652 (4.9%) | 0.005 |
| Children | 24/786 (3.1%) | 8/460 (1.7%) | 0.19 |
| Adults | 10/309 (3.2%) | 4/279 (1.4%) | 0.18 |
| Neonates + infants | 96/728 (15%) | 59/833 (7%) | 0.001 |
| RACHS-1 mortality | 1774 | 1496 | |
| 1 | 1/386 (0.3%) | 0/259 (0%) | 0.99 |
| 2 | 22/551 (4%) | 5/473 (1.1%) | 0.003 |
| 3 | 43/519 (8.3%) | 31/483 (6.4%) | 0.27 |
| 4 | 22/151 (14.6%) | 11/160 (6.9%) | 0.04 |
| 5-6 | 24/112 (21.4%) | 17/121 (14%) | 0.17 |
| NA | 10/55 (18.2%) | 7/76 (9.2%) | 0.18 |
| RACHS-1 1 - 2 | 23/937 (2.5%) | 5/732 (0.7%) | 0.006 |
| RACHS-1 3 - 6 | 89/782 (11.4%) | 59/764 (7.7%) | 0.015 |
NA=non-applicable, RACHS=Risk Adjustment for Congenital Heart Surgery