Table 2.
Univariate Analysis of Risk Factors for Early Mortality
| Hazard ratio | 95% CI | p-value | ||
|---|---|---|---|---|
| Pre-procedure data | ||||
| Age at time of procedure | 1.0 | 0.9, 1.1 | 0.7 | |
| Gender | 1.2 | 0.5, 3.1 | 0.7 | |
| History of CHD | 1.4 | 0.5, 3.8 | 0.6 | |
| Time from diagnosis to procedure | 1.0 | 0.9,1.0 | 0.1 | |
| PH Group: | Group-1 | 0.4 | 0.2, 1.2 | 0.1 |
| Group-2 | 0.04 | 0, 138 | 0.5 | |
| Group-3 | 5.4 | 1.9, 15 | 0.002 | |
| Use of IV/SQ PGI2 | 0.7 | 0.3, 1.7 | 0.4 | |
| ICU admission | 3.2 | 1.2, 8.3 | 0.02 | |
| Intravenous inotropes | 2.9 | 1.1, 7.9 | 0.04 | |
| Mechanical ventilation | 8.3 | 3.1, 22 | <0.001 | |
| ECMO | 10.7 | 3.9, 29 | <0.001 | |
| Operative data: Shunt type | ||||
| Surgical | 0.7 | 0.3, 1.8 | 0.4 | |
| PDA stent | 0.7 | 0.2, 2.3 | 0.5 | |
| Transcatheter | 3.6 | 1.2, 11 | 0.03 |
CHD=congenital heart disease; ECMO=extracorporeal membrane oxygenation; ICU=intensive care unit; IV/SQ PGI2=intravenous or subcutaneous infusion of prostacyclin; PDA=patent ductus arteriosus; PH=pulmonary hypertension