Baseline characteristics
After screening, according to the inclusion and exclusion criteria, a total of 24 patients in the PTLD group were included. Furthermore, a total of 48 control patients were enrolled.
The descriptive characteristics of the study subjects are shown in Table 1. Males and females comprised 33.3% and 66.7% of the PTLD group, respectively. On the contrary, males and females comprised 37.5% and 62.5% of the control group, respectively. The average age at transplantation for patients with PTLD was 9.96 months: the minimum age was five months, and the maximum age was 24 months. On the contrary, the average age at transplantation in the control group was 8.60 months: the minimum age was five months, and the maximum age was 24 months. No significant difference in the distribution of transplantation age and sex was observed between the two groups. Among the included cases, the primary disease affecting the two groups was biliary atresia.