Variable	HR (95% CI)	P-value
Grade 3-4 acute GVHD	4.61 (3.73-5.69)	<0.001
T-cell depletion (2001-2005)	2.20 (1.31-3.70)	0.003
Transplant for ALL (2001-2005)	2.17 (1.13-4.17)	0.020
Chronic GVHD	1.55 (1.14-2.10)	0.005
Disease Phase Advanced	1.40 (1.08-1.80)	0.010
Time to SCT >180 days	1.38 (1.03-1.84)	0.031
Gender Female	1.28 (1.05-1.57)	0.017
Age (per 10 years)	1.27 (1.16-1.40)	<0.001
HLA group- not well matched	1.24 (1-1.54)	0.048