Racial disparities in the morbidity of radical cystectomy in the United States.
304 Background: Racial disparities in the management of bladder cancer have been previously reported. However, limited data exists on inequalities in the morbidity of radical cystectomy. We performed a contemporary population-based analysis to examine the association between race and surgical complications among patients undergoing radical cystectomy. Methods: We analyzed the Prospective Rx Comparative Database (Premier, Inc., Charlotte, NC), which collects data from over 600 non-federal hospitals throughout the US. We identified patients who underwent radical cystectomy between 2003 and 2010 based on ICD-9 code (57.71). Primary outcome measure was 90-day major complication rates, defined as Clavien Classification System Grade 3-5, derived from ICD-9 codes. Multivariable logistic regression models were developed adjusting for clustering by hospitals and survey weighting to ensure nationally representative estimates to evaluate 90-day major complication for all patients (Model 1), patients ≥65 years (Model 2), and Medicare only patients (Model 3). Results: Our study cohort included 50,175 patients. The majority of patients were Caucasion (76%), men (83.5%), with Medicare (64.2%). Major complication rates were 16% for Caucasions, 17% for African American, 24% for Hispanics, and 16% for Other. Compared to Caucasians, the odds ratio (OR) of major complications for Hispanics was 1.9 (p=0.03) and 2.6 (p<0.0001) in Models 1 and 2, and 1.7 (p=0.1) for Model 3. None of the other racial groups had significantly different odds of major complications compared with Caucasians. Conclusions: In the United States, Hispanic patients are the least likely to undergo radical cystectomy but have the highest rate of major complication following surgery. Our analysis shows that this disparity is uniquely absent among Hispanic patients with Medicare suggesting that barriers to healthcare may underlie the observed phenomenon. Therefore, the worse outcomes for Hispanic patients with bladder cancer may be secondary to challenges in accessing medical treatment at earlier stages of disease arising from language differences and non-U.S. citizenship status.