Outcomes of Localized Renal Cell Carcinoma Across Different Races.

Epidemiological outcomes of renal cell carcinoma (RCC) remain sparse. This study aims to compare preoperative characteristics, surgical outcomes, and oncological outcomes of RCC patients at a urology unit in Singapore. A retrospective cohort analysis of 137 RCC patients in the National University Hospital of Singapore who had undergone partial nephrectomy between 2009 and 2020 was conducted. χ tests (Chi-Square Test, Fisher's Exact Test) and one-way analysis of variance (ANOVA) were used for comparing categorical and continuous variables respectively. Kaplan-Meier estimates were used for survival analysis. In total, 137 patients were identified (Chinese [n=82], Malay [n=19], Indian [n=15], Others [n=21]). Indian patients were diagnosed at an earlier age (52.13±10.52 years, =0.018). A larger percentage of Malay patients (78.9%, <0.001) were operated on before 2016, prior to the center's adoption of the robotic surgical technique. More Malay and Indian patients underwent laparoscopic surgery (36.8% and 46.7%, =0.008), experiencing higher rates of intra-operative conversions compared to the Chinese and other ethnicities (5.3% and 13.3% vs. 0%, =0.011). They also had longer post-operative stays compared to Chinese (7.42±6.46 days; 7.40±7.69 days vs. 4.88±2.87 days, =0.036). Malays were much less likely to undergo robotic partial nephrectomy compared to Chinese patients (OR=0.295, 95% CI=0.102-0.856) and had the highest rate of metastatic recurrence (10.5%, =0.023).