Table 1. Demographic and clinical characteristics of patients with castration-resistant prostate cancer at baseline (n = 43).

Characteristic	N (%)
Median age (range), years	73 (57–87)
ECOG Performance status
0–1	42 (98%)
2	1 (2%)
Gleason score
6–7	15 (35%)
8–9	26 (60%)
Unknown	2 (5%)
Sites of disease
Bone	39 (91%)
Node	24 (56%)
Lung	2 (5%)
Liver	1 (2%)
No. of previous chemotherapeutic regimens
One	27 (63%)
Two or more	16 (37%)
Baseline PSA
Median (range), ng/mL	23.3 (1.5–1083)