Chronic myeloid leukemia-from the Philadelphia chromosome to specific target drugs: A literature review

Table 1 European Group for Blood and Marrow Transplant risk score for allo hematopoietic stem cell transplantation

	Score
	0 points	1 point	2 points
Age	Younger than 20 yr	Between 20 yr and 40 yr	Older than 40 yr
Disease stage	Chronic	Accelerated phase	Explosion crisis
HLA matching, donor	Brother with identical HLA	An unrelated donor	-
Donor-recipient gender	All other combinations	Female donor to male recipient	-

HLA: Human leukocyte antigen.