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. Author manuscript; available in PMC: 2015 Apr 13.
Published in final edited form as: Cancer. 2013 Jul 8;119(17):3177–3185. doi: 10.1002/cncr.28030

Table 3. Multivariable Cox Proportional Hazards Model for Event-Free Survival in Patients With Chronic Lymphocytic Leukemia.

Variable HR 95% CI P
Chromosome 17p deletion 2.61 1.72-3.97 <.0001
Unmutated IGHV 1.79 1.24-2.60 .002
AA race 1.78 1.09-2.91 .02
Age 1.03 1.01-1.05 .04

Abbreviations: AA, African American; CI, confidence interval; IGHV, immunoglobulin heavy chain variable region; HR, hazard ratio.