Table 2.

Univariate analysis of variables predicting seronegative status

Variable	Odds ratio	95% confidence interval
<4.5 y from allogeneic HCT	13.7	1.8–108.5
Immunosuppressive treatment	9.8	2.1–44.7
Moderate to severe chronic GVHD	5.9	1.2–29
Acute GVHD	3.3	0.97–11.1
Male gender	1.4	0.45–4.5
Age >60 years	1	0.97–1.04
Lymphoma versus
acute lymphoblastic leukaemia	7.3	0.6–82.6
acute myeloblastic leukaemia	3.1	0.65–14.9
myelodysplastic syndrome	1.7	0.27–10.9

HCT, haematopoietic cell transplantation; GVHD, graft-versus-host disease.