Table 1 –
Patient and operative characteristics across eras
| Characteristic | Baseline N=10,656 (54%) |
Post-Exposure N=8,944 (46%) |
P-value |
|---|---|---|---|
| Age | 0.12 | ||
| Neonate pre-term | 403 (3.8%) | 321 (3.6%) | |
| Neonate full-term | 1902 (17.9%) | 1645 (18.4%) | |
| Infant | 3385 (31.8%) | 2963 (33.1%) | |
| Child | 4389 (41.2%) | 3560 (39.8%) | |
| Adult | 577 (5.4%) | 455 (5.1%) | |
| Weight-for-age z-score | 0.34 | ||
| Normal | 7907 (74.2%) | 6685 (74.7%) | |
| Underweight | 2386 (22.4%) | 1946 (21.8%) | |
| Overweight | 363 (3.4%) | 313 (3.5%) | |
| Extracardiac anomalies, any | 1773 (16.6%) | 1586 (17.7%) | 0.04 |
| Chromosomal abnormalities/syndromes | 2255 (21.2%) | 1902 (21.3%) | 0.86 |
| STAT Mortality Category | 0.37 | ||
| 1 | 3067 (28.8%) | 2651 (29.6%) | |
| 2 | 3319 (31.2%) | 2787 (31.2%) | |
| 3 | 1416 (13.3%) | 1117 (12.5%) | |
| 4 | 2367 (22.2%) | 1961 (21.9%) | |
| 5 | 487 (4.6%) | 428 (4.8%) | |
| Preoperative CICU admission | 2097 (19.7%) | 1730 (19.3%) | 0.55 |
STAT, Society of Thoracic Surgeons-European Association of Cardiothoracic Surgery; CICU, Cardiac Intensive Care Unit