BACKGROUND AND OBJECTIVES: To test for differences in perioperative outcomes and total hospital costs (THC) in nonmetastatic bladder cancer patients undergoing open (ORC) versus robotic-assisted radical cystectomy (RARC). METHODS: We relied on the National Inpatient Sample database (2016-2019). Statistics consisted of trend analyses, multivariable logistic, Poisson, and linear regression models. RESULTS: Of 5280 patients, 1876 (36%) versus 3200 (60%) underwent RARC versus ORC. RARC increased from 32% to 41% (estimated annual percentage change [EAPC]: + 8.6%; p = 0.02). Rates of transfusion (8% vs. 16%), intraoperative (2% vs. 3%), wound (6% vs. 10%), and pulmonary (6% vs. 10%) complications were lower in RARC patients (all p < 0.05). Moreover, median length of stay (LOS) was shorter in RARC (6 vs. 7days; p < 0.001). Conversely, median THC (31,486 vs. 27,162$; p < 0.001) were higher in RARC. Multivariable logistic regression-derived odds ratios addressing transfusion (0.49), intraoperative (0.53), wound (0.68), and pulmonary (0.71) complications favored RARC (all p < 0.01). In multivariable Poisson and linear regression models, RARC was associated with shorter LOS (Rate ratio:0.86; p < 0.001), yet higher THC (Coef.:5,859$; p < 0.001). RARC in-hospital mortality was lower (1% vs. 2%; p = 0.04). CONCLUSIONS: RARC complications, LOS, and mortality appear more favorable than ORC, but result in higher THC. The favorable RARC profile contributes to its increasing popularity throughout the United States.

Cancer Prognostics and Health Outcomes Unit Division of Urology University of Montréal Health Center Montréal Québec Canada

Department of Maternal Child and Urological Sciences Sapienza Rome University Policlinico Umberto 1 Hospital Rome Italy

Department of Surgical and Diagnostic Integrated Sciences University of Genova Genova Italy

Department of Urology 2nd Faculty of Medicine Charles University Prague Czech Republic

Department of Urology Comprehensive Cancer Center Medical University of Vienna Vienna Austria

Department of Urology Koc University Hospital Istanbul Turkey

Department of Urology University Hospital Frankfurt Goethe University Frankfurt am Main Frankfurt am Main Germany

Department of Urology University Hospital Hamburg Eppendorf Hamburg Germany

Department of Urology University of Texas Southwestern Dallas Texas USA

Department of Urology University of Verona Azienda Ospedaliera Universitaria Integrata di Verona Verona Italy

Department of Urology Weill Cornell Medical College New York New York USA

Division of Experimental Oncology Unit of Urology URI Urological Research Institute IRCCS San Raffaele Scientific Institute Milan Italy

Division of Urology Department of Special Surgery Jordan University Hospital The University of Jordan Amman Jordan

Institute for Urology and Reproductive Health 1 M Sechenov 1st Moscow State Medical University Moscow Russia

Martini Klinik Prostate Cancer Center University Hospital Hamburg Eppendorf Hamburg Germany

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