Table 1 Comparison between patients with benign and malignant histology on repeat prostate biopsies
Patient characteristics | Remained benign (n = 39) | Developed CaP (n = 28) | P-value |
|---|---|---|---|
HGPIN at 1 st set of biopsies | |||
Mean age (y) | 63.5 | 69.8 | < 0.001 |
Mean PSA (ng/ml) | 8.4 | 17.5 | < 0.005 |
Mean number of biopsy cores | 11 | 10.54 | 0.3 |
Unifocal HGPIN | 27 | 20 | |
At repeat biopsies | |||
Mean number of repeat biopsies (range) | 1.4 (1–3) | 1.3 (1–3) | |
Mean interval (months) to 1st repeat biopsies | 7.38 | 15.11 | < 0.0005 |
Mean change in PSA (ng/ml) | 0.5 | 4.8 | < 0.05 |
Gleason score | |||
< 7 | na | 18 | |
7 | na | 7 | |
> 7 | na | 3 |