Proportional hazards analysis for death or heart transplantation in Fontan patients
| Covariables | Univariable analyses | Multivariable analysis | ||
| RR (95% CI) | P values | RR (95% CI) | P values | |
| SRV* versus SLV+MIX | 2.6 (1.4 to 5.0) | 0.0041 | 2.9 (1.6 to 5.9) | 0.0010 |
| Intracardiac versus extracardiac Fontan | 1.8 (0.9 to 3.5) | 0.083 | ||
| Fontan era: 1979–2000 vs 2001–2016 | 2.7 (1.3 to 5.3) | 0.0051 | 2.1 (1.3 to 7.5) | 0.010 |
| Fontan age (+1 SD) | 1.1 (0.8 to 1.4) | 0.68 | ||
| Male versus female | 1.2 (0.6 to 2.3) | 0.59 | ||
MIX, mixed or indeterminate ventricular morphology; SLV, single left ventricular morphology; SRV, single right ventricular morphology.