Metastatic

Non-metastatic

p value

Patients n (%)

6 (21.4)

22 (78.6)

n (%) of patients by affected bones

Spine

4 (66.7)

0 (0.0)

other bones

2 (33.3)

0 (0.0)

Number of metastatic sites

PSA < 100 ng/ml

≤2

0.10