“…According to our inclusion criteria, we finally identified 29 studies comprising 4,484 patients for meta-analysis. 9–16,24,25,29,36–50,51–53 Of 29 included studies, 13 RCTs comprising 1,792 patients were eligible for analysis of oncologic and perioperative outcomes, 9–16,36–40 and 5 RCTs and 16 NRCTs/observational studies comprising 3,369 patients were eligible for analysis of pathological and reTUR outcomes. 10–13,24,25,29,40–50,51–53 The demographics of each included study are represented in tables 1 and 2.…”