Table 1.

Assessment of erythrocyte T-antigen exposure in case 1

Day of hospitalization	Adult AB type plasma	Umbilical cord AB type plasma	Plasma polycoagulant reaction	T-antigen exposure
3	4+	Negative	Negative	Yes
4	4+	Negative	Negative	Yes
5	4+	Negative	Negative	Yes
6	4+	Negative	Negative	Yes
10	4+	Negative	Negative	Yes
15	3+	Negative	Weak positive	Suspicious
18	±	Negative	Positive	Suspicious
19	Negative	Negative	Positive	No