Value of Procollagen Type I Aminoterminal Propeptide in Women with Breast Cancer with regard to Metastases

Table 2

Correlation between P1NP levels and extent of bone metastases.

Number of sites of skeletal metastases	1	>1 <5	5	>5
Median: P1NP ng/mL	37.1	50.62	52.79	183.7
Minimum: P1NP ng/mL	28.22	14.7	49.55	19.75
Maximum: P1NP ng/mL	45.89	163.5	156.0	981.6