of borderline significanceP =0.05
For PFS, the LC 90 for fludarabine added independent prognostic value ( P =0.002), though the LC 90 for chlorambucil was of borderline significance ( P =0.05) and for mafosfamide was nonsignificant.
For PFS, the LC 90 for fludarabine added independent prognostic value ( P =0.002), though the LC 90 for chlorambucil was of borderline significance ( P =0.05) and for mafosfamide was nonsignificant.