Table 1. The pairs of recipients and donors for blood transfusion and results of cross-match assays.

Recipients				Donors						Cross match assay
No.	Sex/Agea	ABO genotyping	BWb (g)	No.	Sex/Agea	ABO genotyping	BWb (g)	Relationships between recipients	Blood volume (ml)	Prec	Postd
R1	M/3.2 y	A	301	D1e	F/4.5 y	A	491	Unrelated	2	Negative	Negative
R2	F/8.5 y	A	295	D1e	F/5.0 y	A	443	Unrelated	2	Negative	Negative
R3	F/3.3 y	A	310	D2	M/3.3 y	A	318	Littermate	2	Negative	Negative
R4	M/8.6 y	A	330	D3	M/9.3 y	A	342	Littermate	2	Negative	Negative
R5	M/9.3 y	A	373	D4	F/5.4 y	-	442	Unrelated	2	Negative	Negative
R6	M/7.0 y	A	327	D5e	M/2.8 y	A	420	Unrelated	2	Negative	Negative
R7	F/2.3 y	A	437	D5e	M/3.0 y	A	361	Unrelated	1.7	Negative	Negative
R8	F/8.3 y	A	410	D6	M/8.3 y	A	435	Littermate	2	Negative	Negative
R9	F/6.2 y	A	401	D7	M/8.9 y	A	413	Unrelated	2	Negative	Negative

^aAge (in years) at transfusion, ^bBW: body weight, ^cPre: just before transfusion, ^dPost: 8–41 weeks after transfusion, ^eUsed twice as donors.