CDKN1B and B-cell chronic lymphocytic leukemia: As a significant effect of all the studied polymorphic variants of the CDKN1B gene, as well as the CCND2rs3217901 and CCND2rs3217810 polymorphisms on CLL outcome, was observed, and a marked deviation from equilibrium of the CCND2rs3217933 polymorphism in the CLL patients was found (Table S1).