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. 2012 Feb;109(3):379-83.
doi: 10.1111/j.1464-410X.2011.10331.x. Epub 2011 Aug 18.

Tumour diameter and decreased preoperative estimated glomerular filtration rate are independently correlated in patients with renal cell carcinoma

Nicholas M Donin  1 , Lara K Suh, LaMont Barlow, Gregory W Hruby, Jeffrey Newhouse, James McKiernan
Affiliations

Tumour diameter and decreased preoperative estimated glomerular filtration rate are independently correlated in patients with renal cell carcinoma

Nicholas M Donin et al. BJU Int. 2012 Feb.

Abstract

Objective: To examine the relationship between tumour diameter and estimated GFR (eGFR) in patients with renal cell carcinoma (RCC).

Patients and methods: In total, 1009 patients undergoing partial or radical nephrectomy for unilateral RCC were identified in the Columbia Urologic Database. eGFR was calculated using the modification of diet in renal disease equation using demographic data and preoperative serum creatinine values. Data on patient demographics, tumour characteristics, and comorbidities were analyzed using univariate and multivariate regression analysis.

Results: Mean (sd, range) tumour diameter was 5.29 (3.8, 0.3-29) cm. Mean (sd, range) eGFR was 75 (23.4, 3-173) mL/min per 1.73 m(2) . In multivariate regression analysis, tumour diameter independently predicted decreased preoperative eGFR (coefficient, -0.513; P= 0.008) when controlling for hypertension and race. Consistent with this, decreased preoperative eGFR independently predicted increased tumour diameter (coefficient, -0.013; P= 0.007) when controlling for race, histology and smoking status.

Conclusion: Tumour diameter and decreased preoperative eGFR are independently correlated in patients with RCC.

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