Table 1.

Characteristics of the patients included in this study.

Cohort	Training set		Validation set
	N	%	N	%
Number of Patients	37	—	28	—
Age at Surgery (YR)	64.3	—	65	—
Gender
Male	27	73	19	68
Female	10	27	9	32
Surgical Procedure
Radical nephrectomy	27	73	16	57
Partial nephrectomy	10	27	12	43
Histology Subtype
Clear cell	21	57	19	68
Papillary	9	24	5	18
Chromophobe	7	19	4	14
pT
1	15	41	16	57
2	4	11	2	7
3	18	48	10	36