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. Author manuscript; available in PMC: 2010 Apr 17.
Published in final edited form as: World J Urol. 2009 Apr 17;27(5):587–592. doi: 10.1007/s00345-009-0413-1

Table 1.

Clinico-biological characteristics of patients undergoing first saturation biopsy according to pathological results.

Benign tissue
n=1,083
Prostate cancer
n=866
HGPIN
n=34
ASAP
n=23
Univariate analysis p
PSA (ng/mL) 7.3 (±5.8) 21.9 (±125.2) 7.4 (±3.2) 8.6 (±4.3) 0.002
Free-to-total PSA (%) 17.8 (±10.1) 13.4 (±6.9) 16.0 (±5.7) 16.1 (±7.7) <0.001
Age (years) 63.4 (±7.2) 66.3 (±8.3) 64.8 (±6.8) 64.6 (±7.7) <0.001
Volume (mL) 48.6 (±25.7) 40.6 (±22.4) 41.1 (±23.2) 47.5 (±29.0) <0.001
PSA density (ng/ml/gr) 0.175 (±0.163) 0.515 (±2.737) 0.194 (±0.102) 0.210 (±0.135) 0.002
Number of positive cores - 6.4 (±5.4) 1.9 (±1.4) 1.2 (±0.6) <0.001