Table 3.

Prevalence and severity of graft-versus-host disease

	Pulmonary patients		Control subjects
	n=61	%	n=61	%
Acute GVHD
Grade 0	11	18	7	11
Grade I	14	23	32	53
Grade II	33	54	20	33
Grade III–IV	3	5	2	3
Chronic GVHD
No	22	36	35	57
Limited	16	26	13	21
Extensive	10	17	7	12
Not applicablea	13	21	6	10

Abbreviation: GVHD=graft-versus-host disease.

^aPatients who did not survive >100 days.