Comparing Long-Term Outcomes Following Radical and Partial Nephrectomy for cT1 Renal Cell Carcinoma in Young and Healthy Individuals

JNCI Cancer Spectrum
Wei Shen TanQuoc-Dien Trinh

Abstract

Despite randomized data demonstrating better overall survival favoring radical nephrectomy, partial nephrectomy continues to be the treatment of choice for low-stage renal cell carcinoma. We utilized the National Cancer Database to identify patients younger than 50 years diagnosed with low-stage renal cell carcinoma (cT1) treated with radical nephrectomy or partial nephrectomy (2004-2007). Inverse probability of treatment weighting adjustment was performed for all preoperative factors to account for confounding factors. Kaplan-Meier curves and Cox proportional hazards regression analyses were used to compare overall survival of patients in the two treatment arms. Sensitivity analysis was performed to explore the interaction of type of surgery and clinical stage on overall survival. Among the 3009 patients (median age = 44 years [interquartile range (IQR) = 40-47 years]), 2454 patients (81.6%) were treated with radical nephrectomy and 555 patients (18.4%) with partial nephrectomy. The median follow-up was 108.6 months (IQR = 80.2-124.3 months) during which 297 patients (12.1%) in the radical nephrectomy arm and 58 patients (10.5%) in the partial nephrectomy arm died. Following inverse probability of treatment weighting adjustmen...Continue Reading

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