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Table 3 Interrelationship between clinicopathological characteristics of patients and various simplified nuclear grading systems

From: Reclassification of the Fuhrman grading system in renal cell carcinoma-does it make a difference?

Variable Numbers T stage Recurrence
Nuclear grade (1/2/3/4) 25/86/97/29 0.001 0.001
Grading system 1 ((1+2)/(3+4)) 111/126 0.029 0.01
Grading system 2 ((1/(2+3+4)) 25/212 0.07 0.278
Grading system 3 ((1+2+3)/4) 208/29 <0.001 <0.001
Grading system 4 (1/2/(3+4)) 25/86/126 0.015 0.016
Grading system 5 ((1+2)/3/4) 111/97/29 0.001 <0.001