Table 1.

Variables tested in Cox proportional hazards regression models.

Patient-related variables:

Age at transplant: 13-20 vs 21-30 vs 31-40 vs 41-50 vs 51-60 years

Karnofsky performance status at transplant: ≥90% vs <90%

Disease-related:

Disease status and chemosensitivity at transplant: PIF-sensitive vs PIF resistant vs REL sensistive vs REL resistant vs REL untreated/unknown

Extranodal involvement prior to transplant: yes vs no

LDH concentration at transplant: normal vs abnormal vs unknown

Treatment-related:

Time from autologous to allogeneic transplant: <12 vs 12-24 vs ≥24 months

Donor type: HLA-matched unrelated vs HLA-mismatched unrelated

Donor-recipient gender match: F-M vs others

Donor/Recipient CMV status: -/- vs others

^aIncluded in all models.