Table I. Clinical information of patient cohorts.

Characteristic	Discovery	Validation
	PCTa	PCT	BPH
Total cases	25	51	16
PSA (ng/ml) <10/>10	9/15b	9/42	10/5c
Gleason score <7	2	6
Gleason score = 7	12	31
Gleason score >7	11	14
Localized/ locally advanced/metastatic	17/4/3d	32/16/3

^a Paired adjacent noncancerous tissues were collected.

^b One sample was lack of PSA information.

^c One sample was lack of PSA information.

^d One sample was lack of information related to grade malignancy.