Table 2. Serum concentrations (median and range) of 1CTP und P1NP in the different groups: BPH, PC total, PCcM0, PCcM1b.

Parameters	BPH	PC total	PCcM0	PCcM1b
ICTP µg/L (RIA), median (range)	4.00 (2.18–34.19)	5.08 (1.73–158.00)	3.91 (2.04–34.51)	6.04 (1.73–158.00)
PINP µg/L (RIA), median (range)	38.25 (11.70–247.52)	41.49 (8.72–1,074.37)	33.90 (8.72–149.30)	48.60 (9.12–1,074.37)

BPH: benign prostatic hyperplasia; PC total: patients with prostate cancer; PCcM0: patients with PC without bone metastases; PCcM1b: patients with PC and bone metastases. 1CTP, c-terminal telopeptide of type I collagen; P1NP, peptides n-terminal propeptide of type I procollagen; RIA, radioimmunoassay.