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Graphical representation of multivariable competing-risks regression (CRR) predicting cancer-specific mortality (CSM) in patients with small renal masses. Derived hazard ratios are depicted according to age categories for Fuhrman grade 1–2 (left) and Fuhrman grade 3–4 (right). CRR has been adjusted for age, race, sex, marital status, histology type of renal cell cancer, type of nephrectomy, and N status.
