Table 1:

Summary of clinicopathologic features of the whole dataset.

Variable	Subvariables	Fraction (%) or mean (STD)
Number of Patients	Total	334
	Training	127 (38%)
	Validation	207 (62%)
Age in years		59.54 (7.15)
Race	African-American (AA)	170 (51%)
	Caucasian-American (CA)	164 (49%)
Preoperative PSA(ng/mL)	Recurrence	10.95 (11.37)
	Non-Recurrence	7.92 (11.52)
Pathological Gleason Grade sum	6 or less	109 (33%)
	7	197 (59%)
	8 or greater	28 (8%)
Pathological Stage	T2x	170 (51%)
	T3x	94 (28%)
	Data not available (either T2x or T3x)	70 (21%)
Time to event (days)	Recurrence	1063 (1120)
	Last follow-up (Non-Recurrence)	1717 (1411)