In the article by Winter et al entitled “Prognostic significance of Bcl-6 protein expression in DLBCL treated with CHOP or R-CHOP: a prospective correlative study,” which appeared in the June 1, 2006, issue of Blood (Volume 107:4207-4213), Figures 1 and 2 incorrectly included numbers of patients for each curve despite the fact that this was a weighted analysis. Although in concept the weighted analysis, which eliminates the effect of maintenance rituximab, replaces responding patients randomized to maintenance rituximab with patients randomized to observation, one cannot enumerate the exact number of patients per arm.

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