Table 3.

Association between donor chimerism and leukocyte enzymes levels and cell source (at latest follow-up) in patients who are “alive and engrafted”

	MSD (%)	MUD (%)	TCD-MUD (%)	UCB (%)	P value
Chimerism	n = 30	n = 35	n = 19	n = 79
Full (>95%)	21 (70)	26 (74)	9 (50)	69 (93)	.039
Mixed (50-95%)	6	6	4	5
Mixed (10-50%)	3	3	5	0
Missing	0	0	1	5
Enzyme level*
Normal	16 (54)	23 (66)	5 (53)	64 (98)	.007
Low	10	12	4	1
Missing	2	0	9	14

Within the MSD group, part of the donors will be carriers, which is biologically associated with lower enzymes.

^*Enzyme levels according to institutional references.