Therapeutic responses to chemotherapy or immunotherapy by molecular subtype in bladder cancer patients: A meta-analysis and systematic review.

"CONFLICTS OF INTEREST: The authors have nothing to disclose."

"FUNDING: This research was funded by the Kuanren Talents Program of Chongqing Medical University (no. KY2019Y026) and the National Natural Science Foundation of China (no. 81803057)."

"A comprehensive literature search was performed in PubMed, Cochrane Library, Scopus, EMBASE, MEDLINE, Web of Science, CBM, and CNKI by two independent authors according to the guidelines of PRISMA, without language and publication time limitations, up to December 2021. We created a detailed search strategy for PubMed and the Cochrane Library (), and similar search strategies were carried out in other databases. We also checked the references of the relevant articles to search for potential studies. The international prospective register of systematic reviews (PROSPERO) search showed no analogical registered or published reviews. The protocol for this meta-analysis was registered in PROSPERO (no. CRD42021227927). This study is based on a systematic review and meta-analysis and therefore has not been conducted on human or animal subjects. No informed consent was obtained because the study was not carried out on human subjects."