Table 1B.

Multivariate analysis of disease-free survival for individual variables with grade.

	Hazard Ratio (95% CI)	p-value
Presence of a tubular/acinar pattern	0.67 (0.47, 0.96)	0.0288
Necrosis	1.74 (1.16, 2.59)	0.0070
Renal parenchymal infiltrative edge	1.80 (1.25, 2.61)	0.0017
ChRCC-like	2.54 (1.28, 5.03)	0.0078
Nucleolar Grade
1	reference	<0.0001
2	4.86 (0.67, 35.34)
3	10.42 (1.43, 76.09)
4	24.59 (3.25, 185.78)