TABLE 3.

Percentage of DRB3^*0101-positive women who generate conventionally detectable maternal HPA-1a antibodies is significantly different from those who generate low-avidity antibodies

Reference	Country	DRB3*0101 positive	Total	% positive
L’Abbe27	Canada	32	35	91.4*
Braud26	France	52	52	100*
Williamson1	England	43	44	97.7*
Kjeldsen-Kragh2	Norway	180	198	90.1*
Current study	United States	3	12	25

^*p value < 0.0001 calculated with exact Fisher’s test.