Actuarial survival rate after the Fontan procedure. Survival rate at 10 years was 95% in patients with DIRV, 100% in those with DILV, 75% in those with CILV, and 51% in those with CIRV. Statistical difference was noted between these groups by the log-rank test (P = 0.002). DIRV, double inlet right ventricle; DILV, double inlet left ventricle; CIRV, common inlet right ventricle; CILV, common inlet left ventricle.