Table 1. Main demographic, surgical, and clinical characteristics of the patients.
| Variables | Total patients (n = 113) |
|---|---|
| Male | 58 (51.3%) |
| Age (years) | 2.1 (0.6–6.6) |
| Newborns | 3 (2.7%) |
| Infants | 39 (34.5%) |
| Children | 71 (62.8%) |
| Weight (kg) | 12 (6.1–20) |
| Underlying disease | 25 (22.1%) |
| Previous cardiac surgery | 34 (30.1%) |
| CHD with increased volume overload | 59 (52.2%) |
| CHD with pressure overload involving the left ventricle or the right ventricle | 34 (30.1%) |
| Complex cyanotic CHD | 20 (17.7%) |
| STAT mortality category 1 | 36 (31.9%) |
| STAT mortality category 2 | 47 (41.6%) |
| STAT mortality category 3 | 25 (22.1%) |
| STAT mortality category 4 | 4 (3.5%) |
| STAT mortality category 5 | 1 (0.9%) |
| Univentricular physiology (Glenn or Fontan procedure) | 10 (8.8%) |
| Extracorporeal circulation required | 111 (98.2%) |
| Length of extracorporeal circulation (minutes) | 75 (55–100) |
| Length of aortic cross clamping (minutes) | 45 (29–68.5) |
| Deep hypothermic cardiac arrest required | 5 (4.4%) |
| Length of deep hypothermic cardiac arrest (minutes) | 25 (6.5–35) |
| PRISM III (points) | 3 (2–5) |
| Need for mechanical ventilation at admission | 49 (43.4%) |
| Intubation time after surgery (hours) | 4 (3–24) |
Continuous variables are expressed as median (interquartile range) and categorical variables are expressed as frequency (percentage).