3.3 | Survival
Overall survival at 1 and 5 years were 89.5% (95% CI: 74.2% to 95.8%) and 83.3% (95% CI: 66% to 91.9%) , respectively (Figure 2). Cumulative survival rate of patients in TAPVC repair group was inferior to that in non-TAPVC repair group (p = 0.002, HR:0.430). One year survival is 58.3% (95% CI: 27% to 80%) in TAPVC repair group and 87.1% (95% CI: 68.7% to 94.6%) in non-TAPVC repair group. Three years survival is 40% (95% CI: 13% to 65%) in TAPVC repair group and 87.1% (95% CI: 68.7% to 94.6%) in non-TAPVC repair group (Figure 3). Cumulative survival rate of patients with preoperative PVO was lower than that of patients without preoperative PVO (p = 0.03, HR:0.535) (Figure 4).