Outcomes of Intermediate Risk Non–muscle-invasive Bladder Cancer Receiving Adjuvant Treatment: A Pooled Analysis of Four Randomized Controlled Trials

Study limitation reported by the research below: “The study design is a pooled individual patient data analysis from four RCTs, not a single prospectively planned RCT — level of evidence reflects the RCT-level source data but pooling introduces heterogeneity not fully addressed in the abstract.”