Table II.

Mental Development Scores of Patients Based on Age, Serious Infection, Number of Transplants and Length of Stay (mean ± SD)

Factor		Number	Mean mental development score (pre-HSCT vs. 1 year post-HSCT)	P value for change
Age	<8 months	9	92.3 ± 13.0	0.0016
			68.1 ± 19.5
	>8 months	7	92.9 ± 13.4	0.0088
			74.3 ± 24.4
Serious infections	Yes	13	91.1 ± 13.5	0.0002
			70.0 ± 21.7
	No	3	99.0 ± 6.2	0.13
			74.3 ± 23.4
No. of Transplants	1	13	92.8 ± 13.7	0.0004
			73.5 ± 21.7
	>1	3	91. 7 ± 9.5	0.033
			59.0 ± 17.3
Length of stay	<180 days	8	97.3 ± 11.6	0.012
			79.4 ± 22.6
	>180 days	8	87.9 ± 12.8	0.0009
			62.3 ± 16.9