P<0.05 is defined a statistically significant.

Figure 1. Flow diagram of the study participants.

TURBT: Transurethral resection of bladder tumor, NMIBC: Non-muscle-invasive bladder cancer, MIBC: Muscle-invasive bladder cancer, BCG: Bacillus Calmette-Guerin

Figure 2. The maen IL-1 levels of the patients in preoperative, postoperative first control and postoperative second control.