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. 2022 Nov 14;6(12):e801. doi: 10.1097/HS9.0000000000000801

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Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the European Hematology Association.

This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.

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Figure 2. — Subgroup analysis of investigator-assessed progression-free survival. Forest plot showing progression-free survival analyzed by prespecified subgroups according to baseline demographic and clinical characteristics. Hazard ratios were based on stratified Cox proportional-hazards model, stratified by randomization stratification factors as recorded in interactive voice/web response system. Data for the del(17p) subgroup analysis are based on those recorded in IXRS. BR = bendamustine plus rituximab; CI = confidence interval; ECOG PS = Eastern Cooperative Oncology Group performance status; IdR = idelalisib plus rituximab; IGHV = immunoglobulin heavy chain variable region genes; IXRS = interactive voice/web response system; NE = not estimable; TP53 = tumor protein p53.