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. Author manuscript; available in PMC: 2015 Apr 8.
Published in final edited form as: Am J Hematol. 2014 Apr 26;89(8):E116–E120. doi: 10.1002/ajh.23733

TABLE III.

Univariate Cox Regression Models for PFS

Variable HR 95% CI P value
Number of prior therapies 1.59 1.19-2.11 0.002
Age ≥60 3.48 1.09-11.09 0.04
Prior stem cell transplant 1.66 0.51-5.44 0.4
Prior response to Rd 0.76 0.27-2.1 0.59
High risk MM 1.07 0.39-2.9 0.89