Table 2.

Risk Factors for ADV Viremia

Variable	Hazard Ratio (95% CI)	P Value
Age at HSCT
Adult	1.0	<.001
Pediatric	3.0 (1.6–5.6)
Stem cell source
Peripheral blood	1.0
Bone marrow	1.0 (0.4–2.4)	.96
Cord blood	1.4 (0.6–3.2)	.42
T-cell depletion
Conventional	1.0
T-cell depleted (TCD)	1.8 (0.8–3.3)	.15
Donor type
Matched related	1.0
Matched unrelated	0.8 (0.4–1.9)	.67
Mismatched	1.1 (0.6–2.2)	.78
Acute GVHD
Grade 0 – 1	1.0
Grade 2 – 4	3.2 (1.6–6.3)	.001
Grade 0 – 2	1.0
Grade 3 – 4	5.4 (2.7–11.0)	<.001

Abbreviations: ADV, adenovirus; CI, confidence interval; TCD, T-cell depleted; GVHD, graft versus host disease