Table 1 Clinical characteristics and initial treatment regimens of 588 patients with DLBCL and 25 patients with PMBL.
Abbreviations: DLBCL, diffuse large B-cell lymphoma; PMBL, primary mediastinal large B-cell lymphoma; PS, performance status; LDH, lactate dehydrogenase; IPI, International Prognostic Index; CHOP, cyclophosphamide, doxorubicin, vincristine, and prednisolone; R-CHOP, CHOP plus rituximab.