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Event-free survival and overall survival values of R-CHOP-treated patients after classifying them according to the standard IPI, the R-IPI, and the E-IPI
R-CHOP, rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone; IPI, international prognostic index; R-IPI, revised international prognostic index; E-IPI, extranodal site-modified IPI; EFS, event-free survival; OS, overall survival.
