Clinicopathologic features
bladder cancer, tumour
EVENT, BLADDER CANCER, TUMOUR
Overall 32,060 patients with T1 bladder cancer who underwent TURBT were included in the analysis, 22,442 patients were subjected to the training cohort and 9618 patients to the validation one respectively. Training and validation cohorts did not differ in the frequency of characteristics and outcomes (Table Clinicopathologic and sociodemographic characteristics of patients with T1 bladder cancer treated with transurethral resection of the bladder tumour for the whole cohort, training and validation groups*Includes American Indian/Alaska Native/Asian or Pacific Islander**Partnership without official marriage was also regarded as married status***Citizenship of counties in metropolitan area****Regarded as no event in the available follow-up, only for follow-up shorter than 5 years