Comparison of the conventional tube and erythrocyte-magnetized technology in titration of red blood cell alloantibodies

Table 1 Specific distribution of irregular antibodies in 18 blood donors

Antibody specificity	Number of cases	Percentage of irregular antibodies (%)	IgG classification	Potency
Anti-D	7	38.91	IgG	2-64
Anti-E	2	11.11	IgG	16-32
Anti-cE	1	5.56	IgG	8
Anti-C	1	5.56	IgG	16
Anti-PI	4	22.22	IgM or IgG + IgM	8-16
Anti-M	1	5.56	IgG	4-32
Anti-N	1	5.56	IgG	8.32
Anti-Lea	1	5.56	IgG	4-16

Anti-D: Anti-D antibody; Anti-E: Anti-E antibody; Anti-cE: Anti-cE compound antigens antibody; Anti-C: Anti-C antibody; Anti-PI: Anti phosphatidylinositol antibody; Anti-M: Anti M antibody; Anti-N: Anti N antibody; Anti-Lea: Anti-Lea antibody; IgG: Immunoglobulin G; IgM: Immunoglobulin M.