ROC curve analysis showed that the AUC of postoperative recurrence of bladder carcinoma assessed by preoperative NMP22 and CSTB levels was 0.696 (95% CI: 0.591-0.800) and 0.659 (95% CI: 0.553-0.765), respectively (see Table 2, Figures 1 and 2). Here, CSTB is linked to urinary bladder carcinoma.