Table 1. Demographics of low-risk prostate cancer (n=60).

Variable	Value
Age (y)	63 (47-75)
PSA level (ng/mL)	6.4 (0.1-10.0)
PSA density	0.15 (0.00-0.32)
Prostate volume (mL)	36.5 (16.0-123.0)
No. of biopsy cores	12 (10-12)
No. of positive biopsy cores	1 (1-2)
Biopsy Institute
Daegu Catholic University	19 (31.7)
Kyungpook National University	14 (23.3)
Keimyung University	17 (28.3)
Yeungnam University	10 (16.7)
Biopsy cores obtained
10	2
12	58
Gleason score downgrade	2
Gleason score upgrade	24 (40.0)
≤6 to 7	23 (38.3)
≤6 to ≥8	1 (1.7)

Values are presented as median (range) or number (%).

PSA, prostate-specific antigen.