Table 4.

Multivariate Cox model analysis of the impact of mixed donor T-cell chimerism on OS; chimerism as a time-dependent variable

Variable	Reference level	HR (95% CI)	P
T-cell chimerism status (time-dependent): full	Mixed	0.33 (0.17-0.66)	.0018
Conditioning regimen: other	FLAMSA-BU	1.30 (0.69-2.45)	.41
Cytogenetic risk group: adverse	Favorable/intermediate risk	1.74 (0.94-3.23)	.079
FLT3 status: present	Absent	1.33 (0.69-2.56)	.40
ATG/campath	ATG	0.71 (0.31-1.59)	.40