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. 2009 Mar 2;27(11):1844–1849. doi: 10.1200/JCO.2008.17.0795

Table 3.

Multivariable Analysis for Overall Survival

Variable HR 95% CI P
Smudge cell percentage: ≤ 30% 2.9 1.1 to 3.9 .038
CD38: ≥ 30% 2.7 1.2 to 6.3 .012
Rai stage: III or IV 2.5 1.3 to 4.9 .005

Abbreviation: HR, hazard ratio.