Geographical variations of overall survival and progression-free survival in EBV-positive diffuse large B-cell lymphoma of the elderly. (A-B) EBV-positive DLBCLs of the elderly showed worse overall survival and progression-free survival in Korean patients.13 (C-D) EBV positive DLBCLs of the elderly were more aggressive compared with >60-year-old patients with ABC subtype and GCB subtype in European patients.8 (E-F) In North America, EBV-positive DLBCLs of the elderly showed no difference in overall survival and progression-free survival in comparison with EBV-negative DLBCL patients.100 (G-H) In North America, EBV+CD30+ DLBCL of the elderly showed significant difference in overall survival and progression-free survival in comparison with either EBV+CD30− or EBV−D30+ DLBCL patients.
