Table 1.

Prostate tissues used for methylation analysis

Tissue Group	Total Number	Mean PSA Recurrence Years	Mean Local Recurrence Years	Mean Systemic Recurrence Years	Mean Gleason Score	Mean GPSM Score
Benign prostate	32
Prostate cancer
Nonrecurrence (>5 years of follow-up)	32				6.53	8.37
Recurrence (within 5 years of follow-up)	32
PSA recurrence	10	1.71 years (n = 10)			7.1	9.6
Local recurrence	10	1. 87 years (n = 10)	1.75 years (n= 10)		7.6	9.5
Systemic recurrence	12	0.677 years (n = 12)		1.51 years (n = 12)	8.1

Value in parentheses indicates the number of patients in the recurrence group who developed PSA and local and systemic recurrence, respectively.