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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 IV.

Univariate Cox Regression Models for OS

Variable HR 95% CI P value
Number of prior therapies 1.31 1-1.72 0.05
Age ≥60 2.94 0.81-10.64 0.1
Prior stem cell transplant 2.56 0.77-8.54 0.13
Prior response to Rd 0.5 0.13-1.9 0.31
High risk MM 9.73 1.91-49.49 0.01