Table 1.

Clinical characteristics of the PRAD patients in different risk groups.

Clinical characteristics (samples)	TCGA cohort (339)		GSE116918 cohort (248)
	Low risk	High risk	Low risk	High risk
Age (years)
<65	156	70	47	28
≥65	70	43	118	55
Pathologic N
N0	199	82
N1	27	31
Pathologic T
T1+T2	115	28
T3+T4	111	85
Gleason score
<=6	14	5	26	16
=7	126	44	58	41
>=8	86	64	81	26
PSA (ng/ml)
<20			96	46
>=20			69	37