2.1 Patients
The Ethics Committee of Children’s Hospital Affiliated with Chongqing
Medical University approved this retrospective study and waived the need
for informed patient consent. 29 patients with CCSK diagnosed from
January 2013 through February 2021 were enrolled. Considering the
imbalance ratio between CCSK and Wilms’ tumor, 66 patients with Wilms’
tumor diagnosed consecutively were selected as control group, and then
51 patients were finally enrolled
according to the including and excluding criterions. Workflow of patient
enrollment for this retrospective case-control study was demonstrated inSupplementary Fig. 1 . The patients’ cohort (n=80) was
randomly separated into the training set (n=63) and validation set
(n=17) at the ratio of 8:2, and the random seeds is 138.