Outcomes of older HL patients based on functional status and conventional therapy. PFS and OS by geriatric fitness measures in stage II to IV disease. Time is listed in months for all figures. (A) PFS by ADL status. (B) OS by ADL status. (C) PFS by frontline treatment regimen. (D) OS by treatment regimen. (E) PFS by ADL status and frontline regimen. (F) OS by ADL status and frontline regimen. Tx, treatment. Reprinted with permission.²⁸