Clinical Study

Changes in Osteoblastic Activity in Patient Who Received Bortezomib as Second Line Treatment for Plasma Cell Myeloma: A Prospective Multicenter Study

Table 3

Changes in bone markers according to the duration of the disease and steroid combination.

Osteocalcin Bone ALP

Disease duration0.0090.050
6 months
  Pretreatment18.6 ± 13.929.3 ± 18.8
  Posttreatment19.6 ± 24.325.7 ± 13.0
  Difference1.2 ± 24.14.2 ± 17.0
   0.0580.088
6 months
  Pretreatment13.9 ± 19.623.4 ± 14.0
  Posttreatment10.1 ± 9.718.0 ± 6.4
  Difference4.9 ± 13.35.5 ± 12.4
   <0.00010.002

Steroid
 Combination
  Pretreatment16.5 ± 18.027.3 ± 18.0
  Posttreatment13.6 ± 15.622.0 ± 10.5
  Difference4.2 ± 18.75.4 ± 15.7
   0.00020.001
 Without combination
  Pretreatment15.5 ± 12.122.7 ± 9.3
  Posttreatment20.5 ± 30.920.9 ± 13.2
  Difference−2.8 ± 22.32.1 ± 9.0
   0.1530.275

value represents difference from pretreatment value to posttreatment value within each group.
value represents difference of treatment outcome by prevalence duration.
Posttreatment value − pretreatment value.