Administration Intravesical Aged Aged 80 and over Antineoplastic Combined Chemotherapy Protocols/*administration & dosage/adverse effects BCG Vaccine/administration & dosage Bayes Theorem Deoxycytidine/administration & dosage/analogs & derivatives Disease Progression Epirubicin/administration & dosage Female Humans Isoniazid/administration & dosage Male Middle Aged Mitomycin/administration & dosage Neoplasm Invasiveness Neoplasm Recurrence Local Odds Ratio Randomized Controlled Trials as Topic Risk Factors Time Factors Treatment Outcome Urinary Bladder Neoplasms/*drug therapy/mortality/pathology Gemcitabine efficacy and safety intravesical therapy non-muscle invasive bladder cancer tumor progression tumor recurrence