Prospective subgroup analyses of the randomized MCL-002 (SPRINT) study: lenalidomide versus investigator's choice in relapsed or refractory mantle cell lymphoma.

Univariate and multivariate analyses for progression‐free survival Further evaluation of subgroups by univariate Cox regression analysis showed that treatment group (lenalidomide favoured over IC) was the main effect associated with significantly improved PFS (HR = 0·65; P = 0·005), which was also highly significant by multivariate analysis (HR = 0·42; P < 0·001) (Table 1 ).

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