Table 2. Risk Factors for the... | American Society of Hematology

Table 2.

Risk Factors for the Development of Chronic GVHD

	Covariate	Values	Relative Risk	P Value	95% Confidence Interval
Univariable	Acute GVHD	No	1.0	—	—
		Yes	3.52	<.001	(2.30, 5.41)
	Age at transplant^*	Δ1 year	1.04	.001	(1.02, 1.06)
	Buffy coat^†	No	1.0	—	—
		Yes	3.10	<.001	(2.03, 4.75)
	ATG	No	1.0	—	—
		Yes	0.58	.09	(0.31, 1.10)
Multivariable	Acute GVHD	No	1.0	—	—
		Yes	2.77	<.001	(1.78, 4.31)
	Buffy coat^†	No	1.0	—	—
		Yes	3.07	<.001	(1.92, 4.91)
	Year of transplant^*	Δ1 year	1.04	.07	(1.00, 1.09)

	Covariate	Values	Relative Risk	P Value	95% Confidence Interval
Univariable	Acute GVHD	No	1.0	—	—
		Yes	3.52	<.001	(2.30, 5.41)
	Age at transplant^*	Δ1 year	1.04	.001	(1.02, 1.06)
	Buffy coat^†	No	1.0	—	—
		Yes	3.10	<.001	(2.03, 4.75)
	ATG	No	1.0	—	—
		Yes	0.58	.09	(0.31, 1.10)
Multivariable	Acute GVHD	No	1.0	—	—
		Yes	2.77	<.001	(1.78, 4.31)
	Buffy coat^†	No	1.0	—	—
		Yes	3.07	<.001	(1.92, 4.91)
	Year of transplant^*	Δ1 year	1.04	.07	(1.00, 1.09)

Abbreviations: GVHD, graft-versus-host disease; ATG, antithymocyte globulin; Δ, change per year.

By 1-year increments.

Viable donor buffy coat given after the marrow infusion.